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Finding the Fourth Proportional to 560,275.91, 773,179.84 and 305,627.10

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Solution

The fourth proportional to 560,275.91, 773,179.84 and 305,627.10 is: 421,764.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,275.91 : 773,179.84 = 305,627.10 : x
  2. Step 2: Convert to fraction form
    560,275.91/773,179.84 = 305,627.10/x
  3. Step 3: Cross multiply
    560,275.91x = 773,179.84 × 305,627.10
  4. Step 4: Simplify right side
    560,275.91x = 236,304,712,277.66
  5. Step 5: Solve for x
    x = 236,304,712,277.66/560,275.91
  6. Step 6: Final answer
    x = 421,764.90

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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.