Home / 726,860.20-1,091,456.70-491,247.40

Finding the Fourth Proportional to 726,860.20, 1,091,456.70 and 491,247.40

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Solution

The fourth proportional to 726,860.20, 1,091,456.70 and 491,247.40 is: 737,659.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,860.20 : 1,091,456.70 = 491,247.40 : x
  2. Step 2: Convert to fraction form
    726,860.20/1,091,456.70 = 491,247.40/x
  3. Step 3: Cross multiply
    726,860.20x = 1,091,456.70 × 491,247.40
  4. Step 4: Simplify right side
    726,860.20x = 536,175,266,087.58
  5. Step 5: Solve for x
    x = 536,175,266,087.58/726,860.20
  6. Step 6: Final answer
    x = 737,659.41

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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.