Home / 783,838.47-1,175,544.14-215,084.73

Finding the Fourth Proportional to 783,838.47, 1,175,544.14 and 215,084.73

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Solution

The fourth proportional to 783,838.47, 1,175,544.14 and 215,084.73 is: 322,568.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,838.47 : 1,175,544.14 = 215,084.73 : x
  2. Step 2: Convert to fraction form
    783,838.47/1,175,544.14 = 215,084.73/x
  3. Step 3: Cross multiply
    783,838.47x = 1,175,544.14 × 215,084.73
  4. Step 4: Simplify right side
    783,838.47x = 252,841,593,954.98
  5. Step 5: Solve for x
    x = 252,841,593,954.98/783,838.47
  6. Step 6: Final answer
    x = 322,568.49

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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.