Home / 801,643.09-1,202,479.98-261,900.86

Finding the Fourth Proportional to 801,643.09, 1,202,479.98 and 261,900.86

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Solution

The fourth proportional to 801,643.09, 1,202,479.98 and 261,900.86 is: 392,856.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,643.09 : 1,202,479.98 = 261,900.86 : x
  2. Step 2: Convert to fraction form
    801,643.09/1,202,479.98 = 261,900.86/x
  3. Step 3: Cross multiply
    801,643.09x = 1,202,479.98 × 261,900.86
  4. Step 4: Simplify right side
    801,643.09x = 314,930,540,894.78
  5. Step 5: Solve for x
    x = 314,930,540,894.78/801,643.09
  6. Step 6: Final answer
    x = 392,856.30

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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.