Home / 667,200.60-1,000,800.90-454,624.20

Finding the Fourth Proportional to 667,200.60, 1,000,800.90 and 454,624.20

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Solution

The fourth proportional to 667,200.60, 1,000,800.90 and 454,624.20 is: 681,936.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,200.60 : 1,000,800.90 = 454,624.20 : x
  2. Step 2: Convert to fraction form
    667,200.60/1,000,800.90 = 454,624.20/x
  3. Step 3: Cross multiply
    667,200.60x = 1,000,800.90 × 454,624.20
  4. Step 4: Simplify right side
    667,200.60x = 454,988,308,521.78
  5. Step 5: Solve for x
    x = 454,988,308,521.78/667,200.60
  6. Step 6: Final answer
    x = 681,936.30

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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.