Home / 782,833.17-1,174,477.38-327,639.18

Finding the Fourth Proportional to 782,833.17, 1,174,477.38 and 327,639.18

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Solution

The fourth proportional to 782,833.17, 1,174,477.38 and 327,639.18 is: 491,554.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,833.17 : 1,174,477.38 = 327,639.18 : x
  2. Step 2: Convert to fraction form
    782,833.17/1,174,477.38 = 327,639.18/x
  3. Step 3: Cross multiply
    782,833.17x = 1,174,477.38 × 327,639.18
  4. Step 4: Simplify right side
    782,833.17x = 384,804,805,711.75
  5. Step 5: Solve for x
    x = 384,804,805,711.75/782,833.17
  6. Step 6: Final answer
    x = 491,554.04

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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.