Home / 545,034.20-815,996.10-482,826.20

Finding the Fourth Proportional to 545,034.20, 815,996.10 and 482,826.20

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Solution

The fourth proportional to 545,034.20, 815,996.10 and 482,826.20 is: 722,861.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,034.20 : 815,996.10 = 482,826.20 : x
  2. Step 2: Convert to fraction form
    545,034.20/815,996.10 = 482,826.20/x
  3. Step 3: Cross multiply
    545,034.20x = 815,996.10 × 482,826.20
  4. Step 4: Simplify right side
    545,034.20x = 393,984,296,177.82
  5. Step 5: Solve for x
    x = 393,984,296,177.82/545,034.20
  6. Step 6: Final answer
    x = 722,861.60

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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.