Home / 347,683.20-520,868.70-324,063.60

Finding the Fourth Proportional to 347,683.20, 520,868.70 and 324,063.60

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Solution

The fourth proportional to 347,683.20, 520,868.70 and 324,063.60 is: 485,483.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,683.20 : 520,868.70 = 324,063.60 : x
  2. Step 2: Convert to fraction form
    347,683.20/520,868.70 = 324,063.60/x
  3. Step 3: Cross multiply
    347,683.20x = 520,868.70 × 324,063.60
  4. Step 4: Simplify right side
    347,683.20x = 168,794,586,049.32
  5. Step 5: Solve for x
    x = 168,794,586,049.32/347,683.20
  6. Step 6: Final answer
    x = 485,483.87

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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.