Home / 798,980.28-1,198,474.92-266,499.84

Finding the Fourth Proportional to 798,980.28, 1,198,474.92 and 266,499.84

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Solution

The fourth proportional to 798,980.28, 1,198,474.92 and 266,499.84 is: 399,751.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,980.28 : 1,198,474.92 = 266,499.84 : x
  2. Step 2: Convert to fraction form
    798,980.28/1,198,474.92 = 266,499.84/x
  3. Step 3: Cross multiply
    798,980.28x = 1,198,474.92 × 266,499.84
  4. Step 4: Simplify right side
    798,980.28x = 319,393,374,424.01
  5. Step 5: Solve for x
    x = 319,393,374,424.01/798,980.28
  6. Step 6: Final answer
    x = 399,751.26

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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.