Home / 808,505.42-1,212,965.91-303,073.31

Finding the Fourth Proportional to 808,505.42, 1,212,965.91 and 303,073.31

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Solution

The fourth proportional to 808,505.42, 1,212,965.91 and 303,073.31 is: 454,687.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,505.42 : 1,212,965.91 = 303,073.31 : x
  2. Step 2: Convert to fraction form
    808,505.42/1,212,965.91 = 303,073.31/x
  3. Step 3: Cross multiply
    808,505.42x = 1,212,965.91 × 303,073.31
  4. Step 4: Simplify right side
    808,505.42x = 367,617,587,196.03
  5. Step 5: Solve for x
    x = 367,617,587,196.03/808,505.42
  6. Step 6: Final answer
    x = 454,687.85

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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.