Home / 423,937.05-635,839.35-275,231.98

Finding the Fourth Proportional to 423,937.05, 635,839.35 and 275,231.98

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Solution

The fourth proportional to 423,937.05, 635,839.35 and 275,231.98 is: 412,804.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,937.05 : 635,839.35 = 275,231.98 : x
  2. Step 2: Convert to fraction form
    423,937.05/635,839.35 = 275,231.98/x
  3. Step 3: Cross multiply
    423,937.05x = 635,839.35 × 275,231.98
  4. Step 4: Simplify right side
    423,937.05x = 175,003,323,262.41
  5. Step 5: Solve for x
    x = 175,003,323,262.41/423,937.05
  6. Step 6: Final answer
    x = 412,804.97

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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.