Home / 548,847.20-757,152.96-355,317.14

Finding the Fourth Proportional to 548,847.20, 757,152.96 and 355,317.14

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Solution

The fourth proportional to 548,847.20, 757,152.96 and 355,317.14 is: 490,171.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,847.20 : 757,152.96 = 355,317.14 : x
  2. Step 2: Convert to fraction form
    548,847.20/757,152.96 = 355,317.14/x
  3. Step 3: Cross multiply
    548,847.20x = 757,152.96 × 355,317.14
  4. Step 4: Simplify right side
    548,847.20x = 269,029,424,289.73
  5. Step 5: Solve for x
    x = 269,029,424,289.73/548,847.20
  6. Step 6: Final answer
    x = 490,171.81

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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.