Home / 984,695.65-1,477,043.30-311,249.80

Finding the Fourth Proportional to 984,695.65, 1,477,043.30 and 311,249.80

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Solution

The fourth proportional to 984,695.65, 1,477,043.30 and 311,249.80 is: 466,874.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,695.65 : 1,477,043.30 = 311,249.80 : x
  2. Step 2: Convert to fraction form
    984,695.65/1,477,043.30 = 311,249.80/x
  3. Step 3: Cross multiply
    984,695.65x = 1,477,043.30 × 311,249.80
  4. Step 4: Simplify right side
    984,695.65x = 459,729,434,340.77
  5. Step 5: Solve for x
    x = 459,729,434,340.77/984,695.65
  6. Step 6: Final answer
    x = 466,874.65

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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.