Home / 676,749.27-1,015,232.27-271,940.74

Finding the Fourth Proportional to 676,749.27, 1,015,232.27 and 271,940.74

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Solution

The fourth proportional to 676,749.27, 1,015,232.27 and 271,940.74 is: 407,954.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,749.27 : 1,015,232.27 = 271,940.74 : x
  2. Step 2: Convert to fraction form
    676,749.27/1,015,232.27 = 271,940.74/x
  3. Step 3: Cross multiply
    676,749.27x = 1,015,232.27 × 271,940.74
  4. Step 4: Simplify right side
    676,749.27x = 276,083,012,917.45
  5. Step 5: Solve for x
    x = 276,083,012,917.45/676,749.27
  6. Step 6: Final answer
    x = 407,954.65

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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.