Home / 566,488.02-781,753.50-311,837.25

Finding the Fourth Proportional to 566,488.02, 781,753.50 and 311,837.25

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Solution

The fourth proportional to 566,488.02, 781,753.50 and 311,837.25 is: 430,335.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,488.02 : 781,753.50 = 311,837.25 : x
  2. Step 2: Convert to fraction form
    566,488.02/781,753.50 = 311,837.25/x
  3. Step 3: Cross multiply
    566,488.02x = 781,753.50 × 311,837.25
  4. Step 4: Simplify right side
    566,488.02x = 243,779,861,617.88
  5. Step 5: Solve for x
    x = 243,779,861,617.88/566,488.02
  6. Step 6: Final answer
    x = 430,335.42

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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.