Home / 659,586.24-989,296.20-280,658.52

Finding the Fourth Proportional to 659,586.24, 989,296.20 and 280,658.52

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Solution

The fourth proportional to 659,586.24, 989,296.20 and 280,658.52 is: 420,952.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,586.24 : 989,296.20 = 280,658.52 : x
  2. Step 2: Convert to fraction form
    659,586.24/989,296.20 = 280,658.52/x
  3. Step 3: Cross multiply
    659,586.24x = 989,296.20 × 280,658.52
  4. Step 4: Simplify right side
    659,586.24x = 277,654,407,333.62
  5. Step 5: Solve for x
    x = 277,654,407,333.62/659,586.24
  6. Step 6: Final answer
    x = 420,952.39

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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.