Home / 892,236.60-1,231,288.08-484,338.76

Finding the Fourth Proportional to 892,236.60, 1,231,288.08 and 484,338.76

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Solution

The fourth proportional to 892,236.60, 1,231,288.08 and 484,338.76 is: 668,388.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,236.60 : 1,231,288.08 = 484,338.76 : x
  2. Step 2: Convert to fraction form
    892,236.60/1,231,288.08 = 484,338.76/x
  3. Step 3: Cross multiply
    892,236.60x = 1,231,288.08 × 484,338.76
  4. Step 4: Simplify right side
    892,236.60x = 596,360,541,869.98
  5. Step 5: Solve for x
    x = 596,360,541,869.98/892,236.60
  6. Step 6: Final answer
    x = 668,388.34

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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.