Home / 347,787.28-482,401.89-338,569.07

Finding the Fourth Proportional to 347,787.28, 482,401.89 and 338,569.07

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Solution

The fourth proportional to 347,787.28, 482,401.89 and 338,569.07 is: 469,615.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,787.28 : 482,401.89 = 338,569.07 : x
  2. Step 2: Convert to fraction form
    347,787.28/482,401.89 = 338,569.07/x
  3. Step 3: Cross multiply
    347,787.28x = 482,401.89 × 338,569.07
  4. Step 4: Simplify right side
    347,787.28x = 163,326,359,263.54
  5. Step 5: Solve for x
    x = 163,326,359,263.54/347,787.28
  6. Step 6: Final answer
    x = 469,615.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.