Home / 853,882.29-1,278,166.23-537,674.90

Finding the Fourth Proportional to 853,882.29, 1,278,166.23 and 537,674.90

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Solution

The fourth proportional to 853,882.29, 1,278,166.23 and 537,674.90 is: 804,839.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,882.29 : 1,278,166.23 = 537,674.90 : x
  2. Step 2: Convert to fraction form
    853,882.29/1,278,166.23 = 537,674.90/x
  3. Step 3: Cross multiply
    853,882.29x = 1,278,166.23 × 537,674.90
  4. Step 4: Simplify right side
    853,882.29x = 687,237,893,507.80
  5. Step 5: Solve for x
    x = 687,237,893,507.80/853,882.29
  6. Step 6: Final answer
    x = 804,839.15

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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.