Home / 498,974.96-688,585.69-269,532.23

Finding the Fourth Proportional to 498,974.96, 688,585.69 and 269,532.23

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Solution

The fourth proportional to 498,974.96, 688,585.69 and 269,532.23 is: 371,954.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,974.96 : 688,585.69 = 269,532.23 : x
  2. Step 2: Convert to fraction form
    498,974.96/688,585.69 = 269,532.23/x
  3. Step 3: Cross multiply
    498,974.96x = 688,585.69 × 269,532.23
  4. Step 4: Simplify right side
    498,974.96x = 185,596,037,844.44
  5. Step 5: Solve for x
    x = 185,596,037,844.44/498,974.96
  6. Step 6: Final answer
    x = 371,954.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.