Home / 892,123.87-1,231,132.18-484,225.79

Finding the Fourth Proportional to 892,123.87, 1,231,132.18 and 484,225.79

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Solution

The fourth proportional to 892,123.87, 1,231,132.18 and 484,225.79 is: 668,232.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,123.87 : 1,231,132.18 = 484,225.79 : x
  2. Step 2: Convert to fraction form
    892,123.87/1,231,132.18 = 484,225.79/x
  3. Step 3: Cross multiply
    892,123.87x = 1,231,132.18 × 484,225.79
  4. Step 4: Simplify right side
    892,123.87x = 596,145,952,454.92
  5. Step 5: Solve for x
    x = 596,145,952,454.92/892,123.87
  6. Step 6: Final answer
    x = 668,232.26

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Double scale
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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.