Home / 961,709.29-1,327,043.18-553,943.75

Finding the Fourth Proportional to 961,709.29, 1,327,043.18 and 553,943.75

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Solution

The fourth proportional to 961,709.29, 1,327,043.18 and 553,943.75 is: 764,375.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,709.29 : 1,327,043.18 = 553,943.75 : x
  2. Step 2: Convert to fraction form
    961,709.29/1,327,043.18 = 553,943.75/x
  3. Step 3: Cross multiply
    961,709.29x = 1,327,043.18 × 553,943.75
  4. Step 4: Simplify right side
    961,709.29x = 735,107,270,290.77
  5. Step 5: Solve for x
    x = 735,107,270,290.77/961,709.29
  6. Step 6: Final answer
    x = 764,375.76

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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.