Home / 467,936.32-645,752.12-253,076.38

Finding the Fourth Proportional to 467,936.32, 645,752.12 and 253,076.38

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Solution

The fourth proportional to 467,936.32, 645,752.12 and 253,076.38 is: 349,245.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,936.32 : 645,752.12 = 253,076.38 : x
  2. Step 2: Convert to fraction form
    467,936.32/645,752.12 = 253,076.38/x
  3. Step 3: Cross multiply
    467,936.32x = 645,752.12 × 253,076.38
  4. Step 4: Simplify right side
    467,936.32x = 163,424,608,906.93
  5. Step 5: Solve for x
    x = 163,424,608,906.93/467,936.32
  6. Step 6: Final answer
    x = 349,245.40

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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.