Home / 1,022,927.20-1,534,390.80-312,956.80

Finding the Fourth Proportional to 1,022,927.20, 1,534,390.80 and 312,956.80

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Solution

The fourth proportional to 1,022,927.20, 1,534,390.80 and 312,956.80 is: 469,435.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,927.20 : 1,534,390.80 = 312,956.80 : x
  2. Step 2: Convert to fraction form
    1,022,927.20/1,534,390.80 = 312,956.80/x
  3. Step 3: Cross multiply
    1,022,927.20x = 1,534,390.80 × 312,956.80
  4. Step 4: Simplify right side
    1,022,927.20x = 480,198,034,717.44
  5. Step 5: Solve for x
    x = 480,198,034,717.44/1,022,927.20
  6. Step 6: Final answer
    x = 469,435.20

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.