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Finding the Fourth Proportional to 574,005.80, 861,008.70 and 495,273.80

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Solution

The fourth proportional to 574,005.80, 861,008.70 and 495,273.80 is: 742,910.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,005.80 : 861,008.70 = 495,273.80 : x
  2. Step 2: Convert to fraction form
    574,005.80/861,008.70 = 495,273.80/x
  3. Step 3: Cross multiply
    574,005.80x = 861,008.70 × 495,273.80
  4. Step 4: Simplify right side
    574,005.80x = 426,435,050,682.06
  5. Step 5: Solve for x
    x = 426,435,050,682.06/574,005.80
  6. Step 6: Final answer
    x = 742,910.70

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Similar ratio
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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.