Home / 798,967.20-1,198,450.80-266,505.60

Finding the Fourth Proportional to 798,967.20, 1,198,450.80 and 266,505.60

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Solution

The fourth proportional to 798,967.20, 1,198,450.80 and 266,505.60 is: 399,758.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,967.20 : 1,198,450.80 = 266,505.60 : x
  2. Step 2: Convert to fraction form
    798,967.20/1,198,450.80 = 266,505.60/x
  3. Step 3: Cross multiply
    798,967.20x = 1,198,450.80 × 266,505.60
  4. Step 4: Simplify right side
    798,967.20x = 319,393,849,524.48
  5. Step 5: Solve for x
    x = 319,393,849,524.48/798,967.20
  6. Step 6: Final answer
    x = 399,758.40

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Similar ratio
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1.5x scale

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.