Home / 499,933.60-689,927.94-282,149.88

Finding the Fourth Proportional to 499,933.60, 689,927.94 and 282,149.88

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Solution

The fourth proportional to 499,933.60, 689,927.94 and 282,149.88 is: 389,377.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,933.60 : 689,927.94 = 282,149.88 : x
  2. Step 2: Convert to fraction form
    499,933.60/689,927.94 = 282,149.88/x
  3. Step 3: Cross multiply
    499,933.60x = 689,927.94 × 282,149.88
  4. Step 4: Simplify right side
    499,933.60x = 194,663,086,390.64
  5. Step 5: Solve for x
    x = 194,663,086,390.64/499,933.60
  6. Step 6: Final answer
    x = 389,377.88

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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.