Home / 880,634.67-1,321,118.12-281,434.95

Finding the Fourth Proportional to 880,634.67, 1,321,118.12 and 281,434.95

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Solution

The fourth proportional to 880,634.67, 1,321,118.12 and 281,434.95 is: 422,205.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,634.67 : 1,321,118.12 = 281,434.95 : x
  2. Step 2: Convert to fraction form
    880,634.67/1,321,118.12 = 281,434.95/x
  3. Step 3: Cross multiply
    880,634.67x = 1,321,118.12 × 281,434.95
  4. Step 4: Simplify right side
    880,634.67x = 371,808,812,046.29
  5. Step 5: Solve for x
    x = 371,808,812,046.29/880,634.67
  6. Step 6: Final answer
    x = 422,205.51

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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.