Home / 836,856.88-1,255,274.40-205,776.16

Finding the Fourth Proportional to 836,856.88, 1,255,274.40 and 205,776.16

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Solution

The fourth proportional to 836,856.88, 1,255,274.40 and 205,776.16 is: 308,661.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,856.88 : 1,255,274.40 = 205,776.16 : x
  2. Step 2: Convert to fraction form
    836,856.88/1,255,274.40 = 205,776.16/x
  3. Step 3: Cross multiply
    836,856.88x = 1,255,274.40 × 205,776.16
  4. Step 4: Simplify right side
    836,856.88x = 258,305,545,778.30
  5. Step 5: Solve for x
    x = 258,305,545,778.30/836,856.88
  6. Step 6: Final answer
    x = 308,661.55

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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.