Home / 663,038.34-994,550.19-396,873.15

Finding the Fourth Proportional to 663,038.34, 994,550.19 and 396,873.15

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Solution

The fourth proportional to 663,038.34, 994,550.19 and 396,873.15 is: 595,305.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,038.34 : 994,550.19 = 396,873.15 : x
  2. Step 2: Convert to fraction form
    663,038.34/994,550.19 = 396,873.15/x
  3. Step 3: Cross multiply
    663,038.34x = 994,550.19 × 396,873.15
  4. Step 4: Simplify right side
    663,038.34x = 394,710,266,738.40
  5. Step 5: Solve for x
    x = 394,710,266,738.40/663,038.34
  6. Step 6: Final answer
    x = 595,305.34

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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.