Home / 861,524.02-1,292,285.67-230,421.43

Finding the Fourth Proportional to 861,524.02, 1,292,285.67 and 230,421.43

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Solution

The fourth proportional to 861,524.02, 1,292,285.67 and 230,421.43 is: 345,632.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,524.02 : 1,292,285.67 = 230,421.43 : x
  2. Step 2: Convert to fraction form
    861,524.02/1,292,285.67 = 230,421.43/x
  3. Step 3: Cross multiply
    861,524.02x = 1,292,285.67 × 230,421.43
  4. Step 4: Simplify right side
    861,524.02x = 297,770,312,049.91
  5. Step 5: Solve for x
    x = 297,770,312,049.91/861,524.02
  6. Step 6: Final answer
    x = 345,632.05

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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.