Home / 999,253.69-1,498,630.85-392,165.31

Finding the Fourth Proportional to 999,253.69, 1,498,630.85 and 392,165.31

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Solution

The fourth proportional to 999,253.69, 1,498,630.85 and 392,165.31 is: 588,149.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,253.69 : 1,498,630.85 = 392,165.31 : x
  2. Step 2: Convert to fraction form
    999,253.69/1,498,630.85 = 392,165.31/x
  3. Step 3: Cross multiply
    999,253.69x = 1,498,630.85 × 392,165.31
  4. Step 4: Simplify right side
    999,253.69x = 587,711,031,865.81
  5. Step 5: Solve for x
    x = 587,711,031,865.81/999,253.69
  6. Step 6: Final answer
    x = 588,149.97

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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.