Home / 987,872.80-1,481,910.84-372,894.76

Finding the Fourth Proportional to 987,872.80, 1,481,910.84 and 372,894.76

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Solution

The fourth proportional to 987,872.80, 1,481,910.84 and 372,894.76 is: 559,380.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,872.80 : 1,481,910.84 = 372,894.76 : x
  2. Step 2: Convert to fraction form
    987,872.80/1,481,910.84 = 372,894.76/x
  3. Step 3: Cross multiply
    987,872.80x = 1,481,910.84 × 372,894.76
  4. Step 4: Simplify right side
    987,872.80x = 552,596,787,023.20
  5. Step 5: Solve for x
    x = 552,596,787,023.20/987,872.80
  6. Step 6: Final answer
    x = 559,380.51

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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.