Home / 689,601.80-1,034,694.30-437,076.20

Finding the Fourth Proportional to 689,601.80, 1,034,694.30 and 437,076.20

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Solution

The fourth proportional to 689,601.80, 1,034,694.30 and 437,076.20 is: 655,799.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,601.80 : 1,034,694.30 = 437,076.20 : x
  2. Step 2: Convert to fraction form
    689,601.80/1,034,694.30 = 437,076.20/x
  3. Step 3: Cross multiply
    689,601.80x = 1,034,694.30 × 437,076.20
  4. Step 4: Simplify right side
    689,601.80x = 452,240,252,805.66
  5. Step 5: Solve for x
    x = 452,240,252,805.66/689,601.80
  6. Step 6: Final answer
    x = 655,799.12

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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.