Home / 815,772.53-1,223,238.45-366,107.91

Finding the Fourth Proportional to 815,772.53, 1,223,238.45 and 366,107.91

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Solution

The fourth proportional to 815,772.53, 1,223,238.45 and 366,107.91 is: 548,973.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,772.53 : 1,223,238.45 = 366,107.91 : x
  2. Step 2: Convert to fraction form
    815,772.53/1,223,238.45 = 366,107.91/x
  3. Step 3: Cross multiply
    815,772.53x = 1,223,238.45 × 366,107.91
  4. Step 4: Simplify right side
    815,772.53x = 447,837,272,361.14
  5. Step 5: Solve for x
    x = 447,837,272,361.14/815,772.53
  6. Step 6: Final answer
    x = 548,973.22

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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.