Home / 441,025.80-661,538.70-307,624.20

Finding the Fourth Proportional to 441,025.80, 661,538.70 and 307,624.20

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Solution

The fourth proportional to 441,025.80, 661,538.70 and 307,624.20 is: 461,436.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,025.80 : 661,538.70 = 307,624.20 : x
  2. Step 2: Convert to fraction form
    441,025.80/661,538.70 = 307,624.20/x
  3. Step 3: Cross multiply
    441,025.80x = 661,538.70 × 307,624.20
  4. Step 4: Simplify right side
    441,025.80x = 203,505,313,356.54
  5. Step 5: Solve for x
    x = 203,505,313,356.54/441,025.80
  6. Step 6: Final answer
    x = 461,436.30

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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.