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Finding the Fourth Proportional to 655,258.20, 904,535.27 and 440,522.88

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Solution

The fourth proportional to 655,258.20, 904,535.27 and 440,522.88 is: 608,109.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,258.20 : 904,535.27 = 440,522.88 : x
  2. Step 2: Convert to fraction form
    655,258.20/904,535.27 = 440,522.88/x
  3. Step 3: Cross multiply
    655,258.20x = 904,535.27 × 440,522.88
  4. Step 4: Simplify right side
    655,258.20x = 398,468,482,201.98
  5. Step 5: Solve for x
    x = 398,468,482,201.98/655,258.20
  6. Step 6: Final answer
    x = 608,109.11

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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.