Home / 753,057.40-1,039,231.13-408,893.14

Finding the Fourth Proportional to 753,057.40, 1,039,231.13 and 408,893.14

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Solution

The fourth proportional to 753,057.40, 1,039,231.13 and 408,893.14 is: 564,279.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,057.40 : 1,039,231.13 = 408,893.14 : x
  2. Step 2: Convert to fraction form
    753,057.40/1,039,231.13 = 408,893.14/x
  3. Step 3: Cross multiply
    753,057.40x = 1,039,231.13 × 408,893.14
  4. Step 4: Simplify right side
    753,057.40x = 424,934,479,425.73
  5. Step 5: Solve for x
    x = 424,934,479,425.73/753,057.40
  6. Step 6: Final answer
    x = 564,279.00

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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.