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Finding the Fourth Proportional to 522,042.60, 784,230.30 and 502,213.80

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Solution

The fourth proportional to 522,042.60, 784,230.30 and 502,213.80 is: 754,442.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,042.60 : 784,230.30 = 502,213.80 : x
  2. Step 2: Convert to fraction form
    522,042.60/784,230.30 = 502,213.80/x
  3. Step 3: Cross multiply
    522,042.60x = 784,230.30 × 502,213.80
  4. Step 4: Simplify right side
    522,042.60x = 393,851,279,038.14
  5. Step 5: Solve for x
    x = 393,851,279,038.14/522,042.60
  6. Step 6: Final answer
    x = 754,442.80

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1.5x scale

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.