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Finding the Fourth Proportional to 655,580.20, 902,796.42 and 569,499.88

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Solution

The fourth proportional to 655,580.20, 902,796.42 and 569,499.88 is: 784,255.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,580.20 : 902,796.42 = 569,499.88 : x
  2. Step 2: Convert to fraction form
    655,580.20/902,796.42 = 569,499.88/x
  3. Step 3: Cross multiply
    655,580.20x = 902,796.42 × 569,499.88
  4. Step 4: Simplify right side
    655,580.20x = 514,142,452,854.43
  5. Step 5: Solve for x
    x = 514,142,452,854.43/655,580.20
  6. Step 6: Final answer
    x = 784,255.61

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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.