Home / 736,403.40-1,104,605.10-263,104.20

Finding the Fourth Proportional to 736,403.40, 1,104,605.10 and 263,104.20

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Solution

The fourth proportional to 736,403.40, 1,104,605.10 and 263,104.20 is: 394,656.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,403.40 : 1,104,605.10 = 263,104.20 : x
  2. Step 2: Convert to fraction form
    736,403.40/1,104,605.10 = 263,104.20/x
  3. Step 3: Cross multiply
    736,403.40x = 1,104,605.10 × 263,104.20
  4. Step 4: Simplify right side
    736,403.40x = 290,626,241,151.42
  5. Step 5: Solve for x
    x = 290,626,241,151.42/736,403.40
  6. Step 6: Final answer
    x = 394,656.30

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Double scale
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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.