Home / 753,701.95-1,040,198.52-431,515.54

Finding the Fourth Proportional to 753,701.95, 1,040,198.52 and 431,515.54

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Solution

The fourth proportional to 753,701.95, 1,040,198.52 and 431,515.54 is: 595,542.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,701.95 : 1,040,198.52 = 431,515.54 : x
  2. Step 2: Convert to fraction form
    753,701.95/1,040,198.52 = 431,515.54/x
  3. Step 3: Cross multiply
    753,701.95x = 1,040,198.52 × 431,515.54
  4. Step 4: Simplify right side
    753,701.95x = 448,861,826,065.00
  5. Step 5: Solve for x
    x = 448,861,826,065.00/753,701.95
  6. Step 6: Final answer
    x = 595,542.87

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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.