Home / 558,538.62-770,760.27-303,890.82

Finding the Fourth Proportional to 558,538.62, 770,760.27 and 303,890.82

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Solution

The fourth proportional to 558,538.62, 770,760.27 and 303,890.82 is: 419,356.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,538.62 : 770,760.27 = 303,890.82 : x
  2. Step 2: Convert to fraction form
    558,538.62/770,760.27 = 303,890.82/x
  3. Step 3: Cross multiply
    558,538.62x = 770,760.27 × 303,890.82
  4. Step 4: Simplify right side
    558,538.62x = 234,226,970,473.72
  5. Step 5: Solve for x
    x = 234,226,970,473.72/558,538.62
  6. Step 6: Final answer
    x = 419,356.80

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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.