Home / 1,013.16-1,517.78-526.70

Finding the Fourth Proportional to 1,013.16, 1,517.78 and 526.70

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Solution

The fourth proportional to 1,013.16, 1,517.78 and 526.70 is: 789.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013.16 : 1,517.78 = 526.70 : x
  2. Step 2: Convert to fraction form
    1,013.16/1,517.78 = 526.70/x
  3. Step 3: Cross multiply
    1,013.16x = 1,517.78 × 526.70
  4. Step 4: Simplify right side
    1,013.16x = 799,414.73
  5. Step 5: Solve for x
    x = 799,414.73/1,013.16
  6. Step 6: Final answer
    x = 789.03

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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.