Home / 654,180.33-902,636.53-382,195.70

Finding the Fourth Proportional to 654,180.33, 902,636.53 and 382,195.70

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Solution

The fourth proportional to 654,180.33, 902,636.53 and 382,195.70 is: 527,352.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,180.33 : 902,636.53 = 382,195.70 : x
  2. Step 2: Convert to fraction form
    654,180.33/902,636.53 = 382,195.70/x
  3. Step 3: Cross multiply
    654,180.33x = 902,636.53 × 382,195.70
  4. Step 4: Simplify right side
    654,180.33x = 344,983,800,428.92
  5. Step 5: Solve for x
    x = 344,983,800,428.92/654,180.33
  6. Step 6: Final answer
    x = 527,352.76

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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.