Home / 811,760.72-1,218,061.08-588,960.12

Finding the Fourth Proportional to 811,760.72, 1,218,061.08 and 588,960.12

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Solution

The fourth proportional to 811,760.72, 1,218,061.08 and 588,960.12 is: 883,744.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,760.72 : 1,218,061.08 = 588,960.12 : x
  2. Step 2: Convert to fraction form
    811,760.72/1,218,061.08 = 588,960.12/x
  3. Step 3: Cross multiply
    811,760.72x = 1,218,061.08 × 588,960.12
  4. Step 4: Simplify right side
    811,760.72x = 717,389,399,844.13
  5. Step 5: Solve for x
    x = 717,389,399,844.13/811,760.72
  6. Step 6: Final answer
    x = 883,744.90

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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.