Home / 836,691.52-1,255,066.80-267,998.72

Finding the Fourth Proportional to 836,691.52, 1,255,066.80 and 267,998.72

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Solution

The fourth proportional to 836,691.52, 1,255,066.80 and 267,998.72 is: 402,007.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,691.52 : 1,255,066.80 = 267,998.72 : x
  2. Step 2: Convert to fraction form
    836,691.52/1,255,066.80 = 267,998.72/x
  3. Step 3: Cross multiply
    836,691.52x = 1,255,066.80 × 267,998.72
  4. Step 4: Simplify right side
    836,691.52x = 336,356,295,914.50
  5. Step 5: Solve for x
    x = 336,356,295,914.50/836,691.52
  6. Step 6: Final answer
    x = 402,007.54

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1.5x scale

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.