Home / 831,920.68-1,247,784.52-232,929.72

Finding the Fourth Proportional to 831,920.68, 1,247,784.52 and 232,929.72

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Solution

The fourth proportional to 831,920.68, 1,247,784.52 and 232,929.72 is: 349,367.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,920.68 : 1,247,784.52 = 232,929.72 : x
  2. Step 2: Convert to fraction form
    831,920.68/1,247,784.52 = 232,929.72/x
  3. Step 3: Cross multiply
    831,920.68x = 1,247,784.52 × 232,929.72
  4. Step 4: Simplify right side
    831,920.68x = 290,646,098,863.93
  5. Step 5: Solve for x
    x = 290,646,098,863.93/831,920.68
  6. Step 6: Final answer
    x = 349,367.56

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1.5x scale

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.