Home / 918,306.72-1,267,242.48-531,092.88

Finding the Fourth Proportional to 918,306.72, 1,267,242.48 and 531,092.88

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Solution

The fourth proportional to 918,306.72, 1,267,242.48 and 531,092.88 is: 732,896.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,306.72 : 1,267,242.48 = 531,092.88 : x
  2. Step 2: Convert to fraction form
    918,306.72/1,267,242.48 = 531,092.88/x
  3. Step 3: Cross multiply
    918,306.72x = 1,267,242.48 × 531,092.88
  4. Step 4: Simplify right side
    918,306.72x = 673,023,458,361.54
  5. Step 5: Solve for x
    x = 673,023,458,361.54/918,306.72
  6. Step 6: Final answer
    x = 732,896.15

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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.