Home / 621,414.19-932,994.03-318,025.31

Finding the Fourth Proportional to 621,414.19, 932,994.03 and 318,025.31

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Solution

The fourth proportional to 621,414.19, 932,994.03 and 318,025.31 is: 477,484.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,414.19 : 932,994.03 = 318,025.31 : x
  2. Step 2: Convert to fraction form
    621,414.19/932,994.03 = 318,025.31/x
  3. Step 3: Cross multiply
    621,414.19x = 932,994.03 × 318,025.31
  4. Step 4: Simplify right side
    621,414.19x = 296,715,715,618.90
  5. Step 5: Solve for x
    x = 296,715,715,618.90/621,414.19
  6. Step 6: Final answer
    x = 477,484.62

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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.