Home / 663,040.34-994,553.19-396,875.15

Finding the Fourth Proportional to 663,040.34, 994,553.19 and 396,875.15

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Solution

The fourth proportional to 663,040.34, 994,553.19 and 396,875.15 is: 595,308.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,040.34 : 994,553.19 = 396,875.15 : x
  2. Step 2: Convert to fraction form
    663,040.34/994,553.19 = 396,875.15/x
  3. Step 3: Cross multiply
    663,040.34x = 994,553.19 × 396,875.15
  4. Step 4: Simplify right side
    663,040.34x = 394,713,446,464.23
  5. Step 5: Solve for x
    x = 394,713,446,464.23/663,040.34
  6. Step 6: Final answer
    x = 595,308.34

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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.