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Finding the Fourth Proportional to 558,754.88, 771,081.73 and 304,107.89

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Solution

The fourth proportional to 558,754.88, 771,081.73 and 304,107.89 is: 419,668.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,754.88 : 771,081.73 = 304,107.89 : x
  2. Step 2: Convert to fraction form
    558,754.88/771,081.73 = 304,107.89/x
  3. Step 3: Cross multiply
    558,754.88x = 771,081.73 × 304,107.89
  4. Step 4: Simplify right side
    558,754.88x = 234,492,033,312.17
  5. Step 5: Solve for x
    x = 234,492,033,312.17/558,754.88
  6. Step 6: Final answer
    x = 419,668.88

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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.