Home / 650,738.28-976,078.60-177,423.64

Finding the Fourth Proportional to 650,738.28, 976,078.60 and 177,423.64

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Solution

The fourth proportional to 650,738.28, 976,078.60 and 177,423.64 is: 266,127.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,738.28 : 976,078.60 = 177,423.64 : x
  2. Step 2: Convert to fraction form
    650,738.28/976,078.60 = 177,423.64/x
  3. Step 3: Cross multiply
    650,738.28x = 976,078.60 × 177,423.64
  4. Step 4: Simplify right side
    650,738.28x = 173,179,418,138.10
  5. Step 5: Solve for x
    x = 173,179,418,138.10/650,738.28
  6. Step 6: Final answer
    x = 266,127.60

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1.5x scale

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.