Home / 654,438.55-902,822.07-382,517.91

Finding the Fourth Proportional to 654,438.55, 902,822.07 and 382,517.91

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Solution

The fourth proportional to 654,438.55, 902,822.07 and 382,517.91 is: 527,697.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,438.55 : 902,822.07 = 382,517.91 : x
  2. Step 2: Convert to fraction form
    654,438.55/902,822.07 = 382,517.91/x
  3. Step 3: Cross multiply
    654,438.55x = 902,822.07 × 382,517.91
  4. Step 4: Simplify right side
    654,438.55x = 345,345,611,318.27
  5. Step 5: Solve for x
    x = 345,345,611,318.27/654,438.55
  6. Step 6: Final answer
    x = 527,697.54

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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.