Home / 831,229.60-1,246,055.28-269,871.52

Finding the Fourth Proportional to 831,229.60, 1,246,055.28 and 269,871.52

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Solution

The fourth proportional to 831,229.60, 1,246,055.28 and 269,871.52 is: 404,551.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,229.60 : 1,246,055.28 = 269,871.52 : x
  2. Step 2: Convert to fraction form
    831,229.60/1,246,055.28 = 269,871.52/x
  3. Step 3: Cross multiply
    831,229.60x = 1,246,055.28 × 269,871.52
  4. Step 4: Simplify right side
    831,229.60x = 336,274,832,417.63
  5. Step 5: Solve for x
    x = 336,274,832,417.63/831,229.60
  6. Step 6: Final answer
    x = 404,551.08

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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.