Home / 498,949.03-688,549.94-269,506.31

Finding the Fourth Proportional to 498,949.03, 688,549.94 and 269,506.31

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Solution

The fourth proportional to 498,949.03, 688,549.94 and 269,506.31 is: 371,918.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,949.03 : 688,549.94 = 269,506.31 : x
  2. Step 2: Convert to fraction form
    498,949.03/688,549.94 = 269,506.31/x
  3. Step 3: Cross multiply
    498,949.03x = 688,549.94 × 269,506.31
  4. Step 4: Simplify right side
    498,949.03x = 185,568,552,232.59
  5. Step 5: Solve for x
    x = 185,568,552,232.59/498,949.03
  6. Step 6: Final answer
    x = 371,918.86

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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.