Home / 754,725.46-1,131,857.73-215,025.79

Finding the Fourth Proportional to 754,725.46, 1,131,857.73 and 215,025.79

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Solution

The fourth proportional to 754,725.46, 1,131,857.73 and 215,025.79 is: 322,473.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,725.46 : 1,131,857.73 = 215,025.79 : x
  2. Step 2: Convert to fraction form
    754,725.46/1,131,857.73 = 215,025.79/x
  3. Step 3: Cross multiply
    754,725.46x = 1,131,857.73 × 215,025.79
  4. Step 4: Simplify right side
    754,725.46x = 243,378,602,560.86
  5. Step 5: Solve for x
    x = 243,378,602,560.86/754,725.46
  6. Step 6: Final answer
    x = 322,473.03

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1.5x scale

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.