Home / 662,882.10-914,783.56-376,408.20

Finding the Fourth Proportional to 662,882.10, 914,783.56 and 376,408.20

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Solution

The fourth proportional to 662,882.10, 914,783.56 and 376,408.20 is: 519,446.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,882.10 : 914,783.56 = 376,408.20 : x
  2. Step 2: Convert to fraction form
    662,882.10/914,783.56 = 376,408.20/x
  3. Step 3: Cross multiply
    662,882.10x = 914,783.56 × 376,408.20
  4. Step 4: Simplify right side
    662,882.10x = 344,332,033,209.19
  5. Step 5: Solve for x
    x = 344,332,033,209.19/662,882.10
  6. Step 6: Final answer
    x = 519,446.87

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1.5x scale

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.