Home / 463,020.50-639,050.20-272,033.84

Finding the Fourth Proportional to 463,020.50, 639,050.20 and 272,033.84

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Solution

The fourth proportional to 463,020.50, 639,050.20 and 272,033.84 is: 375,454.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,020.50 : 639,050.20 = 272,033.84 : x
  2. Step 2: Convert to fraction form
    463,020.50/639,050.20 = 272,033.84/x
  3. Step 3: Cross multiply
    463,020.50x = 639,050.20 × 272,033.84
  4. Step 4: Simplify right side
    463,020.50x = 173,843,279,858.77
  5. Step 5: Solve for x
    x = 173,843,279,858.77/463,020.50
  6. Step 6: Final answer
    x = 375,454.82

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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.