Home / 736,890.30-1,105,335.45-550,266.30

Finding the Fourth Proportional to 736,890.30, 1,105,335.45 and 550,266.30

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Solution

The fourth proportional to 736,890.30, 1,105,335.45 and 550,266.30 is: 825,399.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,890.30 : 1,105,335.45 = 550,266.30 : x
  2. Step 2: Convert to fraction form
    736,890.30/1,105,335.45 = 550,266.30/x
  3. Step 3: Cross multiply
    736,890.30x = 1,105,335.45 × 550,266.30
  4. Step 4: Simplify right side
    736,890.30x = 608,228,848,330.34
  5. Step 5: Solve for x
    x = 608,228,848,330.34/736,890.30
  6. Step 6: Final answer
    x = 825,399.45

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Half scale
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Double scale
Find fourth proportional to 736,891.30, 1,105,336.95 and 550,267.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.