Home / 780,867.29-1,171,182.58-268,610.38

Finding the Fourth Proportional to 780,867.29, 1,171,182.58 and 268,610.38

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Solution

The fourth proportional to 780,867.29, 1,171,182.58 and 268,610.38 is: 402,874.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,867.29 : 1,171,182.58 = 268,610.38 : x
  2. Step 2: Convert to fraction form
    780,867.29/1,171,182.58 = 268,610.38/x
  3. Step 3: Cross multiply
    780,867.29x = 1,171,182.58 × 268,610.38
  4. Step 4: Simplify right side
    780,867.29x = 314,591,794,263.70
  5. Step 5: Solve for x
    x = 314,591,794,263.70/780,867.29
  6. Step 6: Final answer
    x = 402,874.85

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1.5x scale

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.