Home / 980,794.86-1,471,182.85-581,147.94

Finding the Fourth Proportional to 980,794.86, 1,471,182.85 and 581,147.94

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Solution

The fourth proportional to 980,794.86, 1,471,182.85 and 581,147.94 is: 871,716.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,794.86 : 1,471,182.85 = 581,147.94 : x
  2. Step 2: Convert to fraction form
    980,794.86/1,471,182.85 = 581,147.94/x
  3. Step 3: Cross multiply
    980,794.86x = 1,471,182.85 × 581,147.94
  4. Step 4: Simplify right side
    980,794.86x = 854,974,882,640.83
  5. Step 5: Solve for x
    x = 854,974,882,640.83/980,794.86
  6. Step 6: Final answer
    x = 871,716.32

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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.