Home / 879,198.22-1,318,612.80-247,964.41

Finding the Fourth Proportional to 879,198.22, 1,318,612.80 and 247,964.41

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Solution

The fourth proportional to 879,198.22, 1,318,612.80 and 247,964.41 is: 371,894.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,198.22 : 1,318,612.80 = 247,964.41 : x
  2. Step 2: Convert to fraction form
    879,198.22/1,318,612.80 = 247,964.41/x
  3. Step 3: Cross multiply
    879,198.22x = 1,318,612.80 × 247,964.41
  4. Step 4: Simplify right side
    879,198.22x = 326,969,044,970.45
  5. Step 5: Solve for x
    x = 326,969,044,970.45/879,198.22
  6. Step 6: Final answer
    x = 371,894.57

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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.