Home / 415,630.20-623,445.30-297,046.20

Finding the Fourth Proportional to 415,630.20, 623,445.30 and 297,046.20

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Solution

The fourth proportional to 415,630.20, 623,445.30 and 297,046.20 is: 445,569.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,630.20 : 623,445.30 = 297,046.20 : x
  2. Step 2: Convert to fraction form
    415,630.20/623,445.30 = 297,046.20/x
  3. Step 3: Cross multiply
    415,630.20x = 623,445.30 × 297,046.20
  4. Step 4: Simplify right side
    415,630.20x = 185,192,057,272.86
  5. Step 5: Solve for x
    x = 185,192,057,272.86/415,630.20
  6. Step 6: Final answer
    x = 445,569.30

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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.