Home / 982,761.70-1,474,497.24-343,159.72

Finding the Fourth Proportional to 982,761.70, 1,474,497.24 and 343,159.72

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Solution

The fourth proportional to 982,761.70, 1,474,497.24 and 343,159.72 is: 514,863.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,761.70 : 1,474,497.24 = 343,159.72 : x
  2. Step 2: Convert to fraction form
    982,761.70/1,474,497.24 = 343,159.72/x
  3. Step 3: Cross multiply
    982,761.70x = 1,474,497.24 × 343,159.72
  4. Step 4: Simplify right side
    982,761.70x = 505,988,060,019.17
  5. Step 5: Solve for x
    x = 505,988,060,019.17/982,761.70
  6. Step 6: Final answer
    x = 514,863.43

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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.