Home / 754,821.82-1,040,527.11-499,730.14

Finding the Fourth Proportional to 754,821.82, 1,040,527.11 and 499,730.14

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Solution

The fourth proportional to 754,821.82, 1,040,527.11 and 499,730.14 is: 688,881.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,821.82 : 1,040,527.11 = 499,730.14 : x
  2. Step 2: Convert to fraction form
    754,821.82/1,040,527.11 = 499,730.14/x
  3. Step 3: Cross multiply
    754,821.82x = 1,040,527.11 × 499,730.14
  4. Step 4: Simplify right side
    754,821.82x = 519,982,758,354.10
  5. Step 5: Solve for x
    x = 519,982,758,354.10/754,821.82
  6. Step 6: Final answer
    x = 688,881.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.