Home / 722,248.45-1,083,370.17-216,807.39

Finding the Fourth Proportional to 722,248.45, 1,083,370.17 and 216,807.39

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Solution

The fourth proportional to 722,248.45, 1,083,370.17 and 216,807.39 is: 325,210.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,248.45 : 1,083,370.17 = 216,807.39 : x
  2. Step 2: Convert to fraction form
    722,248.45/1,083,370.17 = 216,807.39/x
  3. Step 3: Cross multiply
    722,248.45x = 1,083,370.17 × 216,807.39
  4. Step 4: Simplify right side
    722,248.45x = 234,882,659,774.58
  5. Step 5: Solve for x
    x = 234,882,659,774.58/722,248.45
  6. Step 6: Final answer
    x = 325,210.33

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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.