Home / 847,329.50-1,270,993.08-216,243.30

Finding the Fourth Proportional to 847,329.50, 1,270,993.08 and 216,243.30

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Solution

The fourth proportional to 847,329.50, 1,270,993.08 and 216,243.30 is: 324,364.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,329.50 : 1,270,993.08 = 216,243.30 : x
  2. Step 2: Convert to fraction form
    847,329.50/1,270,993.08 = 216,243.30/x
  3. Step 3: Cross multiply
    847,329.50x = 1,270,993.08 × 216,243.30
  4. Step 4: Simplify right side
    847,329.50x = 274,843,737,896.36
  5. Step 5: Solve for x
    x = 274,843,737,896.36/847,329.50
  6. Step 6: Final answer
    x = 324,364.65

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Half scale
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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.