Home / 744,431.55-1,116,647.33-669,781.95

Finding the Fourth Proportional to 744,431.55, 1,116,647.33 and 669,781.95

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Solution

The fourth proportional to 744,431.55, 1,116,647.33 and 669,781.95 is: 1,004,672.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,431.55 : 1,116,647.33 = 669,781.95 : x
  2. Step 2: Convert to fraction form
    744,431.55/1,116,647.33 = 669,781.95/x
  3. Step 3: Cross multiply
    744,431.55x = 1,116,647.33 × 669,781.95
  4. Step 4: Simplify right side
    744,431.55x = 747,910,222,800.78
  5. Step 5: Solve for x
    x = 747,910,222,800.78/744,431.55
  6. Step 6: Final answer
    x = 1,004,672.93

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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.