Home / 493,246.20-739,869.30-392,862.90

Finding the Fourth Proportional to 493,246.20, 739,869.30 and 392,862.90

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Solution

The fourth proportional to 493,246.20, 739,869.30 and 392,862.90 is: 589,294.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,246.20 : 739,869.30 = 392,862.90 : x
  2. Step 2: Convert to fraction form
    493,246.20/739,869.30 = 392,862.90/x
  3. Step 3: Cross multiply
    493,246.20x = 739,869.30 × 392,862.90
  4. Step 4: Simplify right side
    493,246.20x = 290,667,198,818.97
  5. Step 5: Solve for x
    x = 290,667,198,818.97/493,246.20
  6. Step 6: Final answer
    x = 589,294.35

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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.