Home / 653,769.96-982,131.24-387,705.02

Finding the Fourth Proportional to 653,769.96, 982,131.24 and 387,705.02

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Solution

The fourth proportional to 653,769.96, 982,131.24 and 387,705.02 is: 582,433.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,769.96 : 982,131.24 = 387,705.02 : x
  2. Step 2: Convert to fraction form
    653,769.96/982,131.24 = 387,705.02/x
  3. Step 3: Cross multiply
    653,769.96x = 982,131.24 × 387,705.02
  4. Step 4: Simplify right side
    653,769.96x = 380,777,207,136.17
  5. Step 5: Solve for x
    x = 380,777,207,136.17/653,769.96
  6. Step 6: Final answer
    x = 582,433.01

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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.