Home / 663,023.31-914,972.27-361,217.31

Finding the Fourth Proportional to 663,023.31, 914,972.27 and 361,217.31

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Solution

The fourth proportional to 663,023.31, 914,972.27 and 361,217.31 is: 498,479.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,023.31 : 914,972.27 = 361,217.31 : x
  2. Step 2: Convert to fraction form
    663,023.31/914,972.27 = 361,217.31/x
  3. Step 3: Cross multiply
    663,023.31x = 914,972.27 × 361,217.31
  4. Step 4: Simplify right side
    663,023.31x = 330,503,820,287.91
  5. Step 5: Solve for x
    x = 330,503,820,287.91/663,023.31
  6. Step 6: Final answer
    x = 498,479.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.