Home / 836,791.39-1,255,176.15-205,710.67

Finding the Fourth Proportional to 836,791.39, 1,255,176.15 and 205,710.67

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Solution

The fourth proportional to 836,791.39, 1,255,176.15 and 205,710.67 is: 308,563.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,791.39 : 1,255,176.15 = 205,710.67 : x
  2. Step 2: Convert to fraction form
    836,791.39/1,255,176.15 = 205,710.67/x
  3. Step 3: Cross multiply
    836,791.39x = 1,255,176.15 × 205,710.67
  4. Step 4: Simplify right side
    836,791.39x = 258,203,126,784.52
  5. Step 5: Solve for x
    x = 258,203,126,784.52/836,791.39
  6. Step 6: Final answer
    x = 308,563.32

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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.