Home / 857,853.55-1,285,327.17-569,463.78

Finding the Fourth Proportional to 857,853.55, 1,285,327.17 and 569,463.78

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Solution

The fourth proportional to 857,853.55, 1,285,327.17 and 569,463.78 is: 853,231.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,853.55 : 1,285,327.17 = 569,463.78 : x
  2. Step 2: Convert to fraction form
    857,853.55/1,285,327.17 = 569,463.78/x
  3. Step 3: Cross multiply
    857,853.55x = 1,285,327.17 × 569,463.78
  4. Step 4: Simplify right side
    857,853.55x = 731,947,268,764.90
  5. Step 5: Solve for x
    x = 731,947,268,764.90/857,853.55
  6. Step 6: Final answer
    x = 853,231.03

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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.