Home / 815,860.36-1,224,006.54-283,380.04

Finding the Fourth Proportional to 815,860.36, 1,224,006.54 and 283,380.04

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Solution

The fourth proportional to 815,860.36, 1,224,006.54 and 283,380.04 is: 425,145.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,860.36 : 1,224,006.54 = 283,380.04 : x
  2. Step 2: Convert to fraction form
    815,860.36/1,224,006.54 = 283,380.04/x
  3. Step 3: Cross multiply
    815,860.36x = 1,224,006.54 × 283,380.04
  4. Step 4: Simplify right side
    815,860.36x = 346,859,022,265.46
  5. Step 5: Solve for x
    x = 346,859,022,265.46/815,860.36
  6. Step 6: Final answer
    x = 425,145.09

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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.