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Finding the Fourth Proportional to 656,596.20, 984,894.30 and 282,619.20

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Solution

The fourth proportional to 656,596.20, 984,894.30 and 282,619.20 is: 423,928.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,596.20 : 984,894.30 = 282,619.20 : x
  2. Step 2: Convert to fraction form
    656,596.20/984,894.30 = 282,619.20/x
  3. Step 3: Cross multiply
    656,596.20x = 984,894.30 × 282,619.20
  4. Step 4: Simplify right side
    656,596.20x = 278,350,039,150.56
  5. Step 5: Solve for x
    x = 278,350,039,150.56/656,596.20
  6. Step 6: Final answer
    x = 423,928.80

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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.