Home / 892,342.20-1,231,446.54-484,443.71

Finding the Fourth Proportional to 892,342.20, 1,231,446.54 and 484,443.71

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Solution

The fourth proportional to 892,342.20, 1,231,446.54 and 484,443.71 is: 668,540.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,342.20 : 1,231,446.54 = 484,443.71 : x
  2. Step 2: Convert to fraction form
    892,342.20/1,231,446.54 = 484,443.71/x
  3. Step 3: Cross multiply
    892,342.20x = 1,231,446.54 × 484,443.71
  4. Step 4: Simplify right side
    892,342.20x = 596,566,531,520.07
  5. Step 5: Solve for x
    x = 596,566,531,520.07/892,342.20
  6. Step 6: Final answer
    x = 668,540.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.