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Finding the Fourth Proportional to 574,772.26, 862,921.40 and 491,070.10

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Solution

The fourth proportional to 574,772.26, 862,921.40 and 491,070.10 is: 737,257.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,772.26 : 862,921.40 = 491,070.10 : x
  2. Step 2: Convert to fraction form
    574,772.26/862,921.40 = 491,070.10/x
  3. Step 3: Cross multiply
    574,772.26x = 862,921.40 × 491,070.10
  4. Step 4: Simplify right side
    574,772.26x = 423,754,898,190.14
  5. Step 5: Solve for x
    x = 423,754,898,190.14/574,772.26
  6. Step 6: Final answer
    x = 737,257.05

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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.