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Finding the Fourth Proportional to 559,534.53, 839,549.88 and 293,231.73

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Solution

The fourth proportional to 559,534.53, 839,549.88 and 293,231.73 is: 439,977.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,534.53 : 839,549.88 = 293,231.73 : x
  2. Step 2: Convert to fraction form
    559,534.53/839,549.88 = 293,231.73/x
  3. Step 3: Cross multiply
    559,534.53x = 839,549.88 × 293,231.73
  4. Step 4: Simplify right side
    559,534.53x = 246,182,663,733.69
  5. Step 5: Solve for x
    x = 246,182,663,733.69/559,534.53
  6. Step 6: Final answer
    x = 439,977.61

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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.