Home / 627,676.52-866,225.22-385,972.52

Finding the Fourth Proportional to 627,676.52, 866,225.22 and 385,972.52

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Solution

The fourth proportional to 627,676.52, 866,225.22 and 385,972.52 is: 532,661.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,676.52 : 866,225.22 = 385,972.52 : x
  2. Step 2: Convert to fraction form
    627,676.52/866,225.22 = 385,972.52/x
  3. Step 3: Cross multiply
    627,676.52x = 866,225.22 × 385,972.52
  4. Step 4: Simplify right side
    627,676.52x = 334,339,131,050.95
  5. Step 5: Solve for x
    x = 334,339,131,050.95/627,676.52
  6. Step 6: Final answer
    x = 532,661.52

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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.