Home / 706,098.31-1,058,550.59-306,438.64

Finding the Fourth Proportional to 706,098.31, 1,058,550.59 and 306,438.64

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Solution

The fourth proportional to 706,098.31, 1,058,550.59 and 306,438.64 is: 459,398.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,098.31 : 1,058,550.59 = 306,438.64 : x
  2. Step 2: Convert to fraction form
    706,098.31/1,058,550.59 = 306,438.64/x
  3. Step 3: Cross multiply
    706,098.31x = 1,058,550.59 × 306,438.64
  4. Step 4: Simplify right side
    706,098.31x = 324,380,801,290.52
  5. Step 5: Solve for x
    x = 324,380,801,290.52/706,098.31
  6. Step 6: Final answer
    x = 459,398.92

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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.