Home / 943,781.49-1,415,132.51-438,082.29

Finding the Fourth Proportional to 943,781.49, 1,415,132.51 and 438,082.29

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Solution

The fourth proportional to 943,781.49, 1,415,132.51 and 438,082.29 is: 656,872.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,781.49 : 1,415,132.51 = 438,082.29 : x
  2. Step 2: Convert to fraction form
    943,781.49/1,415,132.51 = 438,082.29/x
  3. Step 3: Cross multiply
    943,781.49x = 1,415,132.51 × 438,082.29
  4. Step 4: Simplify right side
    943,781.49x = 619,944,488,443.84
  5. Step 5: Solve for x
    x = 619,944,488,443.84/943,781.49
  6. Step 6: Final answer
    x = 656,872.90

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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.