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Finding the Fourth Proportional to 558,756.88, 771,084.48 and 304,109.88

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Solution

The fourth proportional to 558,756.88, 771,084.48 and 304,109.88 is: 419,671.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,756.88 : 771,084.48 = 304,109.88 : x
  2. Step 2: Convert to fraction form
    558,756.88/771,084.48 = 304,109.88/x
  3. Step 3: Cross multiply
    558,756.88x = 771,084.48 × 304,109.88
  4. Step 4: Simplify right side
    558,756.88x = 234,494,408,682.66
  5. Step 5: Solve for x
    x = 234,494,408,682.66/558,756.88
  6. Step 6: Final answer
    x = 419,671.63

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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.