Home / 663,042.36-994,556.18-396,877.16

Finding the Fourth Proportional to 663,042.36, 994,556.18 and 396,877.16

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Solution

The fourth proportional to 663,042.36, 994,556.18 and 396,877.16 is: 595,311.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,042.36 : 994,556.18 = 396,877.16 : x
  2. Step 2: Convert to fraction form
    663,042.36/994,556.18 = 396,877.16/x
  3. Step 3: Cross multiply
    663,042.36x = 994,556.18 × 396,877.16
  4. Step 4: Simplify right side
    663,042.36x = 394,716,632,178.85
  5. Step 5: Solve for x
    x = 394,716,632,178.85/663,042.36
  6. Step 6: Final answer
    x = 595,311.33

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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.