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Finding the Fourth Proportional to 737,207.76, 1,017,336.60 and 431,494.32

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Solution

The fourth proportional to 737,207.76, 1,017,336.60 and 431,494.32 is: 595,456.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,207.76 : 1,017,336.60 = 431,494.32 : x
  2. Step 2: Convert to fraction form
    737,207.76/1,017,336.60 = 431,494.32/x
  3. Step 3: Cross multiply
    737,207.76x = 1,017,336.60 × 431,494.32
  4. Step 4: Simplify right side
    737,207.76x = 438,974,964,428.11
  5. Step 5: Solve for x
    x = 438,974,964,428.11/737,207.76
  6. Step 6: Final answer
    x = 595,456.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.