Home / 725,107.84-1,087,817.40-304,141.12

Finding the Fourth Proportional to 725,107.84, 1,087,817.40 and 304,141.12

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Solution

The fourth proportional to 725,107.84, 1,087,817.40 and 304,141.12 is: 456,276.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,107.84 : 1,087,817.40 = 304,141.12 : x
  2. Step 2: Convert to fraction form
    725,107.84/1,087,817.40 = 304,141.12/x
  3. Step 3: Cross multiply
    725,107.84x = 1,087,817.40 × 304,141.12
  4. Step 4: Simplify right side
    725,107.84x = 330,850,002,391.49
  5. Step 5: Solve for x
    x = 330,850,002,391.49/725,107.84
  6. Step 6: Final answer
    x = 456,276.96

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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.