Home / 669,267.87-1,005,754.55-653,044.30

Finding the Fourth Proportional to 669,267.87, 1,005,754.55 and 653,044.30

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Solution

The fourth proportional to 669,267.87, 1,005,754.55 and 653,044.30 is: 981,374.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,267.87 : 1,005,754.55 = 653,044.30 : x
  2. Step 2: Convert to fraction form
    669,267.87/1,005,754.55 = 653,044.30/x
  3. Step 3: Cross multiply
    669,267.87x = 1,005,754.55 × 653,044.30
  4. Step 4: Simplify right side
    669,267.87x = 656,802,275,325.73
  5. Step 5: Solve for x
    x = 656,802,275,325.73/669,267.87
  6. Step 6: Final answer
    x = 981,374.29

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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.