Home / 738,540.10-1,108,247.55-538,356.70

Finding the Fourth Proportional to 738,540.10, 1,108,247.55 and 538,356.70

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Solution

The fourth proportional to 738,540.10, 1,108,247.55 and 538,356.70 is: 807,853.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,540.10 : 1,108,247.55 = 538,356.70 : x
  2. Step 2: Convert to fraction form
    738,540.10/1,108,247.55 = 538,356.70/x
  3. Step 3: Cross multiply
    738,540.10x = 1,108,247.55 × 538,356.70
  4. Step 4: Simplify right side
    738,540.10x = 596,632,493,801.09
  5. Step 5: Solve for x
    x = 596,632,493,801.09/738,540.10
  6. Step 6: Final answer
    x = 807,853.89

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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.