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Finding the Fourth Proportional to 567,542.08, 783,213.38 and 312,902.38

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Solution

The fourth proportional to 567,542.08, 783,213.38 and 312,902.38 is: 431,808.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,542.08 : 783,213.38 = 312,902.38 : x
  2. Step 2: Convert to fraction form
    567,542.08/783,213.38 = 312,902.38/x
  3. Step 3: Cross multiply
    567,542.08x = 783,213.38 × 312,902.38
  4. Step 4: Simplify right side
    567,542.08x = 245,069,327,909.56
  5. Step 5: Solve for x
    x = 245,069,327,909.56/567,542.08
  6. Step 6: Final answer
    x = 431,808.21

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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.