Home / 738,147.20-1,107,739.20-472,553.60

Finding the Fourth Proportional to 738,147.20, 1,107,739.20 and 472,553.60

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Solution

The fourth proportional to 738,147.20, 1,107,739.20 and 472,553.60 is: 709,162.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,147.20 : 1,107,739.20 = 472,553.60 : x
  2. Step 2: Convert to fraction form
    738,147.20/1,107,739.20 = 472,553.60/x
  3. Step 3: Cross multiply
    738,147.20x = 1,107,739.20 × 472,553.60
  4. Step 4: Simplify right side
    738,147.20x = 523,466,146,821.12
  5. Step 5: Solve for x
    x = 523,466,146,821.12/738,147.20
  6. Step 6: Final answer
    x = 709,162.27

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Double scale
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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.