Home / 428,845.50-591,791.61-237,876.66

Finding the Fourth Proportional to 428,845.50, 591,791.61 and 237,876.66

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Solution

The fourth proportional to 428,845.50, 591,791.61 and 237,876.66 is: 328,261.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,845.50 : 591,791.61 = 237,876.66 : x
  2. Step 2: Convert to fraction form
    428,845.50/591,791.61 = 237,876.66/x
  3. Step 3: Cross multiply
    428,845.50x = 591,791.61 × 237,876.66
  4. Step 4: Simplify right side
    428,845.50x = 140,773,411,602.82
  5. Step 5: Solve for x
    x = 140,773,411,602.82/428,845.50
  6. Step 6: Final answer
    x = 328,261.37

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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.