Home / 480,857.04-721,512.36-214,593.84

Finding the Fourth Proportional to 480,857.04, 721,512.36 and 214,593.84

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Solution

The fourth proportional to 480,857.04, 721,512.36 and 214,593.84 is: 321,991.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,857.04 : 721,512.36 = 214,593.84 : x
  2. Step 2: Convert to fraction form
    480,857.04/721,512.36 = 214,593.84/x
  3. Step 3: Cross multiply
    480,857.04x = 721,512.36 × 214,593.84
  4. Step 4: Simplify right side
    480,857.04x = 154,832,107,939.86
  5. Step 5: Solve for x
    x = 154,832,107,939.86/480,857.04
  6. Step 6: Final answer
    x = 321,991.97

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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.