Home / 819,922.57-1,131,543.83-452,397.91

Finding the Fourth Proportional to 819,922.57, 1,131,543.83 and 452,397.91

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Solution

The fourth proportional to 819,922.57, 1,131,543.83 and 452,397.91 is: 624,337.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,922.57 : 1,131,543.83 = 452,397.91 : x
  2. Step 2: Convert to fraction form
    819,922.57/1,131,543.83 = 452,397.91/x
  3. Step 3: Cross multiply
    819,922.57x = 1,131,543.83 × 452,397.91
  4. Step 4: Simplify right side
    819,922.57x = 511,908,061,644.44
  5. Step 5: Solve for x
    x = 511,908,061,644.44/819,922.57
  6. Step 6: Final answer
    x = 624,337.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.