Home / 603,921.06-906,078.42-304,378.61

Finding the Fourth Proportional to 603,921.06, 906,078.42 and 304,378.61

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Solution

The fourth proportional to 603,921.06, 906,078.42 and 304,378.61 is: 456,667.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,921.06 : 906,078.42 = 304,378.61 : x
  2. Step 2: Convert to fraction form
    603,921.06/906,078.42 = 304,378.61/x
  3. Step 3: Cross multiply
    603,921.06x = 906,078.42 × 304,378.61
  4. Step 4: Simplify right side
    603,921.06x = 275,790,885,500.20
  5. Step 5: Solve for x
    x = 275,790,885,500.20/603,921.06
  6. Step 6: Final answer
    x = 456,667.11

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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.