Home / 467,816.76-645,584.22-252,957.24

Finding the Fourth Proportional to 467,816.76, 645,584.22 and 252,957.24

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Solution

The fourth proportional to 467,816.76, 645,584.22 and 252,957.24 is: 349,079.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,816.76 : 645,584.22 = 252,957.24 : x
  2. Step 2: Convert to fraction form
    467,816.76/645,584.22 = 252,957.24/x
  3. Step 3: Cross multiply
    467,816.76x = 645,584.22 × 252,957.24
  4. Step 4: Simplify right side
    467,816.76x = 163,305,202,478.75
  5. Step 5: Solve for x
    x = 163,305,202,478.75/467,816.76
  6. Step 6: Final answer
    x = 349,079.42

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Half scale
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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.