Home / 621,844.20-932,766.30-486,541.80

Finding the Fourth Proportional to 621,844.20, 932,766.30 and 486,541.80

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Solution

The fourth proportional to 621,844.20, 932,766.30 and 486,541.80 is: 729,812.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,844.20 : 932,766.30 = 486,541.80 : x
  2. Step 2: Convert to fraction form
    621,844.20/932,766.30 = 486,541.80/x
  3. Step 3: Cross multiply
    621,844.20x = 932,766.30 × 486,541.80
  4. Step 4: Simplify right side
    621,844.20x = 453,829,794,581.34
  5. Step 5: Solve for x
    x = 453,829,794,581.34/621,844.20
  6. Step 6: Final answer
    x = 729,812.70

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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.