Home / 662,882.60-914,784.25-376,408.70

Finding the Fourth Proportional to 662,882.60, 914,784.25 and 376,408.70

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Solution

The fourth proportional to 662,882.60, 914,784.25 and 376,408.70 is: 519,447.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,882.60 : 914,784.25 = 376,408.70 : x
  2. Step 2: Convert to fraction form
    662,882.60/914,784.25 = 376,408.70/x
  3. Step 3: Cross multiply
    662,882.60x = 914,784.25 × 376,408.70
  4. Step 4: Simplify right side
    662,882.60x = 344,332,750,322.98
  5. Step 5: Solve for x
    x = 344,332,750,322.98/662,882.60
  6. Step 6: Final answer
    x = 519,447.56

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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.