Home / 900,645.30-1,347,687.45-664,449.30

Finding the Fourth Proportional to 900,645.30, 1,347,687.45 and 664,449.30

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Solution

The fourth proportional to 900,645.30, 1,347,687.45 and 664,449.30 is: 994,253.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,645.30 : 1,347,687.45 = 664,449.30 : x
  2. Step 2: Convert to fraction form
    900,645.30/1,347,687.45 = 664,449.30/x
  3. Step 3: Cross multiply
    900,645.30x = 1,347,687.45 × 664,449.30
  4. Step 4: Simplify right side
    900,645.30x = 895,469,982,771.29
  5. Step 5: Solve for x
    x = 895,469,982,771.29/900,645.30
  6. Step 6: Final answer
    x = 994,253.77

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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.