Home / 699,481.20-1,048,703.40-299,794.80

Finding the Fourth Proportional to 699,481.20, 1,048,703.40 and 299,794.80

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Solution

The fourth proportional to 699,481.20, 1,048,703.40 and 299,794.80 is: 449,470.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,481.20 : 1,048,703.40 = 299,794.80 : x
  2. Step 2: Convert to fraction form
    699,481.20/1,048,703.40 = 299,794.80/x
  3. Step 3: Cross multiply
    699,481.20x = 1,048,703.40 × 299,794.80
  4. Step 4: Simplify right side
    699,481.20x = 314,395,826,062.32
  5. Step 5: Solve for x
    x = 314,395,826,062.32/699,481.20
  6. Step 6: Final answer
    x = 449,470.02

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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.