Home / 498,982.98-688,596.72-269,540.24

Finding the Fourth Proportional to 498,982.98, 688,596.72 and 269,540.24

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Solution

The fourth proportional to 498,982.98, 688,596.72 and 269,540.24 is: 371,965.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,982.98 : 688,596.72 = 269,540.24 : x
  2. Step 2: Convert to fraction form
    498,982.98/688,596.72 = 269,540.24/x
  3. Step 3: Cross multiply
    498,982.98x = 688,596.72 × 269,540.24
  4. Step 4: Simplify right side
    498,982.98x = 185,604,525,172.01
  5. Step 5: Solve for x
    x = 185,604,525,172.01/498,982.98
  6. Step 6: Final answer
    x = 371,965.64

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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.