Home / 831,892.62-1,247,926.41-270,970.86

Finding the Fourth Proportional to 831,892.62, 1,247,926.41 and 270,970.86

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Solution

The fourth proportional to 831,892.62, 1,247,926.41 and 270,970.86 is: 406,484.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,892.62 : 1,247,926.41 = 270,970.86 : x
  2. Step 2: Convert to fraction form
    831,892.62/1,247,926.41 = 270,970.86/x
  3. Step 3: Cross multiply
    831,892.62x = 1,247,926.41 × 270,970.86
  4. Step 4: Simplify right side
    831,892.62x = 338,151,692,534.41
  5. Step 5: Solve for x
    x = 338,151,692,534.41/831,892.62
  6. Step 6: Final answer
    x = 406,484.78

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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.