Home / 982,763.72-1,474,153.82-272,847.11

Finding the Fourth Proportional to 982,763.72, 1,474,153.82 and 272,847.11

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Solution

The fourth proportional to 982,763.72, 1,474,153.82 and 272,847.11 is: 409,272.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,763.72 : 1,474,153.82 = 272,847.11 : x
  2. Step 2: Convert to fraction form
    982,763.72/1,474,153.82 = 272,847.11/x
  3. Step 3: Cross multiply
    982,763.72x = 1,474,153.82 × 272,847.11
  4. Step 4: Simplify right side
    982,763.72x = 402,218,613,849.96
  5. Step 5: Solve for x
    x = 402,218,613,849.96/982,763.72
  6. Step 6: Final answer
    x = 409,272.96

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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.