Home / 754,727.46-1,131,860.72-215,027.80

Finding the Fourth Proportional to 754,727.46, 1,131,860.72 and 215,027.80

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Solution

The fourth proportional to 754,727.46, 1,131,860.72 and 215,027.80 is: 322,476.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,727.46 : 1,131,860.72 = 215,027.80 : x
  2. Step 2: Convert to fraction form
    754,727.46/1,131,860.72 = 215,027.80/x
  3. Step 3: Cross multiply
    754,727.46x = 1,131,860.72 × 215,027.80
  4. Step 4: Simplify right side
    754,727.46x = 243,381,520,528.02
  5. Step 5: Solve for x
    x = 243,381,520,528.02/754,727.46
  6. Step 6: Final answer
    x = 322,476.04

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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.