Home / 866,847.29-1,299,947.58-298,067.49

Finding the Fourth Proportional to 866,847.29, 1,299,947.58 and 298,067.49

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Solution

The fourth proportional to 866,847.29, 1,299,947.58 and 298,067.49 is: 446,990.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,847.29 : 1,299,947.58 = 298,067.49 : x
  2. Step 2: Convert to fraction form
    866,847.29/1,299,947.58 = 298,067.49/x
  3. Step 3: Cross multiply
    866,847.29x = 1,299,947.58 × 298,067.49
  4. Step 4: Simplify right side
    866,847.29x = 387,472,112,302.17
  5. Step 5: Solve for x
    x = 387,472,112,302.17/866,847.29
  6. Step 6: Final answer
    x = 446,990.05

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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.