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Finding the Fourth Proportional to 574,543.98, 861,815.04 and 573,712.92

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Solution

The fourth proportional to 574,543.98, 861,815.04 and 573,712.92 is: 860,568.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,543.98 : 861,815.04 = 573,712.92 : x
  2. Step 2: Convert to fraction form
    574,543.98/861,815.04 = 573,712.92/x
  3. Step 3: Cross multiply
    574,543.98x = 861,815.04 × 573,712.92
  4. Step 4: Simplify right side
    574,543.98x = 494,434,423,098.32
  5. Step 5: Solve for x
    x = 494,434,423,098.32/574,543.98
  6. Step 6: Final answer
    x = 860,568.45

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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.