Home / 702,398.50-1,053,171.11-275,422.79

Finding the Fourth Proportional to 702,398.50, 1,053,171.11 and 275,422.79

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Solution

The fourth proportional to 702,398.50, 1,053,171.11 and 275,422.79 is: 412,966.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,398.50 : 1,053,171.11 = 275,422.79 : x
  2. Step 2: Convert to fraction form
    702,398.50/1,053,171.11 = 275,422.79/x
  3. Step 3: Cross multiply
    702,398.50x = 1,053,171.11 × 275,422.79
  4. Step 4: Simplify right side
    702,398.50x = 290,067,318,820.63
  5. Step 5: Solve for x
    x = 290,067,318,820.63/702,398.50
  6. Step 6: Final answer
    x = 412,966.88

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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.