Home / 423,936.05-635,837.85-275,230.98

Finding the Fourth Proportional to 423,936.05, 635,837.85 and 275,230.98

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Solution

The fourth proportional to 423,936.05, 635,837.85 and 275,230.98 is: 412,803.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,936.05 : 635,837.85 = 275,230.98 : x
  2. Step 2: Convert to fraction form
    423,936.05/635,837.85 = 275,230.98/x
  3. Step 3: Cross multiply
    423,936.05x = 635,837.85 × 275,230.98
  4. Step 4: Simplify right side
    423,936.05x = 175,002,274,576.59
  5. Step 5: Solve for x
    x = 175,002,274,576.59/423,936.05
  6. Step 6: Final answer
    x = 412,803.48

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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.