Home / 480,234.72-720,326.12-243,571.25

Finding the Fourth Proportional to 480,234.72, 720,326.12 and 243,571.25

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Solution

The fourth proportional to 480,234.72, 720,326.12 and 243,571.25 is: 365,343.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,234.72 : 720,326.12 = 243,571.25 : x
  2. Step 2: Convert to fraction form
    480,234.72/720,326.12 = 243,571.25/x
  3. Step 3: Cross multiply
    480,234.72x = 720,326.12 × 243,571.25
  4. Step 4: Simplify right side
    480,234.72x = 175,450,734,039.01
  5. Step 5: Solve for x
    x = 175,450,734,039.01/480,234.72
  6. Step 6: Final answer
    x = 365,343.71

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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.