Home / 831,225.60-1,246,049.28-269,867.52

Finding the Fourth Proportional to 831,225.60, 1,246,049.28 and 269,867.52

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Solution

The fourth proportional to 831,225.60, 1,246,049.28 and 269,867.52 is: 404,545.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,225.60 : 1,246,049.28 = 269,867.52 : x
  2. Step 2: Convert to fraction form
    831,225.60/1,246,049.28 = 269,867.52/x
  3. Step 3: Cross multiply
    831,225.60x = 1,246,049.28 × 269,867.52
  4. Step 4: Simplify right side
    831,225.60x = 336,268,228,991.39
  5. Step 5: Solve for x
    x = 336,268,228,991.39/831,225.60
  6. Step 6: Final answer
    x = 404,545.08

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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.