Home / 738,691.20-1,108,555.20-473,097.60

Finding the Fourth Proportional to 738,691.20, 1,108,555.20 and 473,097.60

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Solution

The fourth proportional to 738,691.20, 1,108,555.20 and 473,097.60 is: 709,978.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,691.20 : 1,108,555.20 = 473,097.60 : x
  2. Step 2: Convert to fraction form
    738,691.20/1,108,555.20 = 473,097.60/x
  3. Step 3: Cross multiply
    738,691.20x = 1,108,555.20 × 473,097.60
  4. Step 4: Simplify right side
    738,691.20x = 524,454,804,587.52
  5. Step 5: Solve for x
    x = 524,454,804,587.52/738,691.20
  6. Step 6: Final answer
    x = 709,978.41

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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.