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Finding the Fourth Proportional to 435,212.72, 600,439.58 and 284,397.20

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Solution

The fourth proportional to 435,212.72, 600,439.58 and 284,397.20 is: 392,367.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,212.72 : 600,439.58 = 284,397.20 : x
  2. Step 2: Convert to fraction form
    435,212.72/600,439.58 = 284,397.20/x
  3. Step 3: Cross multiply
    435,212.72x = 600,439.58 × 284,397.20
  4. Step 4: Simplify right side
    435,212.72x = 170,763,335,321.18
  5. Step 5: Solve for x
    x = 170,763,335,321.18/435,212.72
  6. Step 6: Final answer
    x = 392,367.52

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1.5x scale

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.