Home / 892,145.04-1,231,132.68-484,227.60

Finding the Fourth Proportional to 892,145.04, 1,231,132.68 and 484,227.60

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Solution

The fourth proportional to 892,145.04, 1,231,132.68 and 484,227.60 is: 668,219.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,145.04 : 1,231,132.68 = 484,227.60 : x
  2. Step 2: Convert to fraction form
    892,145.04/1,231,132.68 = 484,227.60/x
  3. Step 3: Cross multiply
    892,145.04x = 1,231,132.68 × 484,227.60
  4. Step 4: Simplify right side
    892,145.04x = 596,148,422,917.97
  5. Step 5: Solve for x
    x = 596,148,422,917.97/892,145.04
  6. Step 6: Final answer
    x = 668,219.18

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Double scale
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Similar ratio
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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.