Home / 836,739.77-1,255,098.69-205,659.05

Finding the Fourth Proportional to 836,739.77, 1,255,098.69 and 205,659.05

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Solution

The fourth proportional to 836,739.77, 1,255,098.69 and 205,659.05 is: 308,485.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,739.77 : 1,255,098.69 = 205,659.05 : x
  2. Step 2: Convert to fraction form
    836,739.77/1,255,098.69 = 205,659.05/x
  3. Step 3: Cross multiply
    836,739.77x = 1,255,098.69 × 205,659.05
  4. Step 4: Simplify right side
    836,739.77x = 258,122,397,966.15
  5. Step 5: Solve for x
    x = 258,122,397,966.15/836,739.77
  6. Step 6: Final answer
    x = 308,485.87

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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.