Home / 815,859.36-1,224,005.04-283,379.04

Finding the Fourth Proportional to 815,859.36, 1,224,005.04 and 283,379.04

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Solution

The fourth proportional to 815,859.36, 1,224,005.04 and 283,379.04 is: 425,143.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,859.36 : 1,224,005.04 = 283,379.04 : x
  2. Step 2: Convert to fraction form
    815,859.36/1,224,005.04 = 283,379.04/x
  3. Step 3: Cross multiply
    815,859.36x = 1,224,005.04 × 283,379.04
  4. Step 4: Simplify right side
    815,859.36x = 346,857,373,190.36
  5. Step 5: Solve for x
    x = 346,857,373,190.36/815,859.36
  6. Step 6: Final answer
    x = 425,143.59

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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.