Home / 728,993.33-1,004,865.23-499,153.15

Finding the Fourth Proportional to 728,993.33, 1,004,865.23 and 499,153.15

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Solution

The fourth proportional to 728,993.33, 1,004,865.23 and 499,153.15 is: 688,046.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,993.33 : 1,004,865.23 = 499,153.15 : x
  2. Step 2: Convert to fraction form
    728,993.33/1,004,865.23 = 499,153.15/x
  3. Step 3: Cross multiply
    728,993.33x = 1,004,865.23 × 499,153.15
  4. Step 4: Simplify right side
    728,993.33x = 501,581,644,879.98
  5. Step 5: Solve for x
    x = 501,581,644,879.98/728,993.33
  6. Step 6: Final answer
    x = 688,046.96

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1.5x scale

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.