Home / 800,793.81-1,105,020.23-542,144.61

Finding the Fourth Proportional to 800,793.81, 1,105,020.23 and 542,144.61

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Solution

The fourth proportional to 800,793.81, 1,105,020.23 and 542,144.61 is: 748,108.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,793.81 : 1,105,020.23 = 542,144.61 : x
  2. Step 2: Convert to fraction form
    800,793.81/1,105,020.23 = 542,144.61/x
  3. Step 3: Cross multiply
    800,793.81x = 1,105,020.23 × 542,144.61
  4. Step 4: Simplify right side
    800,793.81x = 599,080,758,924.74
  5. Step 5: Solve for x
    x = 599,080,758,924.74/800,793.81
  6. Step 6: Final answer
    x = 748,108.63

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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.