Home / 497,780.20-747,059.10-231,573.70

Finding the Fourth Proportional to 497,780.20, 747,059.10 and 231,573.70

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Solution

The fourth proportional to 497,780.20, 747,059.10 and 231,573.70 is: 347,541.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,780.20 : 747,059.10 = 231,573.70 : x
  2. Step 2: Convert to fraction form
    497,780.20/747,059.10 = 231,573.70/x
  3. Step 3: Cross multiply
    497,780.20x = 747,059.10 × 231,573.70
  4. Step 4: Simplify right side
    497,780.20x = 172,999,239,905.67
  5. Step 5: Solve for x
    x = 172,999,239,905.67/497,780.20
  6. Step 6: Final answer
    x = 347,541.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.