Home / 850,945.91-1,276,432.22-251,967.92

Finding the Fourth Proportional to 850,945.91, 1,276,432.22 and 251,967.92

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Solution

The fourth proportional to 850,945.91, 1,276,432.22 and 251,967.92 is: 377,955.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,945.91 : 1,276,432.22 = 251,967.92 : x
  2. Step 2: Convert to fraction form
    850,945.91/1,276,432.22 = 251,967.92/x
  3. Step 3: Cross multiply
    850,945.91x = 1,276,432.22 × 251,967.92
  4. Step 4: Simplify right side
    850,945.91x = 321,619,965,742.14
  5. Step 5: Solve for x
    x = 321,619,965,742.14/850,945.91
  6. Step 6: Final answer
    x = 377,955.83

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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.