Home / 748,988.24-1,123,765.40-449,677.46

Finding the Fourth Proportional to 748,988.24, 1,123,765.40 and 449,677.46

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Solution

The fourth proportional to 748,988.24, 1,123,765.40 and 449,677.46 is: 674,686.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,988.24 : 1,123,765.40 = 449,677.46 : x
  2. Step 2: Convert to fraction form
    748,988.24/1,123,765.40 = 449,677.46/x
  3. Step 3: Cross multiply
    748,988.24x = 1,123,765.40 × 449,677.46
  4. Step 4: Simplify right side
    748,988.24x = 505,331,965,790.88
  5. Step 5: Solve for x
    x = 505,331,965,790.88/748,988.24
  6. Step 6: Final answer
    x = 674,686.12

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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.