Home / 831,167-1,246,821.15-262,395.92

Finding the Fourth Proportional to 831,167, 1,246,821.15 and 262,395.92

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Solution

The fourth proportional to 831,167, 1,246,821.15 and 262,395.92 is: 393,616.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,167 : 1,246,821.15 = 262,395.92 : x
  2. Step 2: Convert to fraction form
    831,167/1,246,821.15 = 262,395.92/x
  3. Step 3: Cross multiply
    831,167x = 1,246,821.15 × 262,395.92
  4. Step 4: Simplify right side
    831,167x = 327,160,782,729.71
  5. Step 5: Solve for x
    x = 327,160,782,729.71/831,167
  6. Step 6: Final answer
    x = 393,616.18

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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.