Home / 812,343.24-1,218,704.98-251,348.04

Finding the Fourth Proportional to 812,343.24, 1,218,704.98 and 251,348.04

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Solution

The fourth proportional to 812,343.24, 1,218,704.98 and 251,348.04 is: 377,080.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,343.24 : 1,218,704.98 = 251,348.04 : x
  2. Step 2: Convert to fraction form
    812,343.24/1,218,704.98 = 251,348.04/x
  3. Step 3: Cross multiply
    812,343.24x = 1,218,704.98 × 251,348.04
  4. Step 4: Simplify right side
    812,343.24x = 306,319,108,061.24
  5. Step 5: Solve for x
    x = 306,319,108,061.24/812,343.24
  6. Step 6: Final answer
    x = 377,080.89

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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.