Home / 853,885.29-1,278,170.73-537,677.91

Finding the Fourth Proportional to 853,885.29, 1,278,170.73 and 537,677.91

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Solution

The fourth proportional to 853,885.29, 1,278,170.73 and 537,677.91 is: 804,843.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,885.29 : 1,278,170.73 = 537,677.91 : x
  2. Step 2: Convert to fraction form
    853,885.29/1,278,170.73 = 537,677.91/x
  3. Step 3: Cross multiply
    853,885.29x = 1,278,170.73 × 537,677.91
  4. Step 4: Simplify right side
    853,885.29x = 687,244,166,729.57
  5. Step 5: Solve for x
    x = 687,244,166,729.57/853,885.29
  6. Step 6: Final answer
    x = 804,843.67

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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.