Home / 480,234.66-720,326-243,571.20

Finding the Fourth Proportional to 480,234.66, 720,326 and 243,571.20

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Solution

The fourth proportional to 480,234.66, 720,326 and 243,571.20 is: 365,343.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,234.66 : 720,326 = 243,571.20 : x
  2. Step 2: Convert to fraction form
    480,234.66/720,326 = 243,571.20/x
  3. Step 3: Cross multiply
    480,234.66x = 720,326 × 243,571.20
  4. Step 4: Simplify right side
    480,234.66x = 175,450,668,211.20
  5. Step 5: Solve for x
    x = 175,450,668,211.20/480,234.66
  6. Step 6: Final answer
    x = 365,343.62

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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.