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Finding the Fourth Proportional to 567,050.50, 782,520.52 and 308,930.53

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Solution

The fourth proportional to 567,050.50, 782,520.52 and 308,930.53 is: 426,319.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,050.50 : 782,520.52 = 308,930.53 : x
  2. Step 2: Convert to fraction form
    567,050.50/782,520.52 = 308,930.53/x
  3. Step 3: Cross multiply
    567,050.50x = 782,520.52 × 308,930.53
  4. Step 4: Simplify right side
    567,050.50x = 241,744,478,979.48
  5. Step 5: Solve for x
    x = 241,744,478,979.48/567,050.50
  6. Step 6: Final answer
    x = 426,319.14

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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.