Home / 667,450.26-1,000,876.02-397,705.50

Finding the Fourth Proportional to 667,450.26, 1,000,876.02 and 397,705.50

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Solution

The fourth proportional to 667,450.26, 1,000,876.02 and 397,705.50 is: 596,379.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,450.26 : 1,000,876.02 = 397,705.50 : x
  2. Step 2: Convert to fraction form
    667,450.26/1,000,876.02 = 397,705.50/x
  3. Step 3: Cross multiply
    667,450.26x = 1,000,876.02 × 397,705.50
  4. Step 4: Simplify right side
    667,450.26x = 398,053,897,972.11
  5. Step 5: Solve for x
    x = 398,053,897,972.11/667,450.26
  6. Step 6: Final answer
    x = 596,379.87

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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.