Home / 480,137.18-661,819.73-325,039.56

Finding the Fourth Proportional to 480,137.18, 661,819.73 and 325,039.56

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Solution

The fourth proportional to 480,137.18, 661,819.73 and 325,039.56 is: 448,033.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,137.18 : 661,819.73 = 325,039.56 : x
  2. Step 2: Convert to fraction form
    480,137.18/661,819.73 = 325,039.56/x
  3. Step 3: Cross multiply
    480,137.18x = 661,819.73 × 325,039.56
  4. Step 4: Simplify right side
    480,137.18x = 215,117,594,651.12
  5. Step 5: Solve for x
    x = 215,117,594,651.12/480,137.18
  6. Step 6: Final answer
    x = 448,033.61

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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.