Home / 924,879.60-1,387,384.20-392,340.24

Finding the Fourth Proportional to 924,879.60, 1,387,384.20 and 392,340.24

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Solution

The fourth proportional to 924,879.60, 1,387,384.20 and 392,340.24 is: 588,537.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,879.60 : 1,387,384.20 = 392,340.24 : x
  2. Step 2: Convert to fraction form
    924,879.60/1,387,384.20 = 392,340.24/x
  3. Step 3: Cross multiply
    924,879.60x = 1,387,384.20 × 392,340.24
  4. Step 4: Simplify right side
    924,879.60x = 544,326,650,000.21
  5. Step 5: Solve for x
    x = 544,326,650,000.21/924,879.60
  6. Step 6: Final answer
    x = 588,537.85

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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.