Home / 785,849.29-1,178,782.17-629,074.33

Finding the Fourth Proportional to 785,849.29, 1,178,782.17 and 629,074.33

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Solution

The fourth proportional to 785,849.29, 1,178,782.17 and 629,074.33 is: 943,618.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,849.29 : 1,178,782.17 = 629,074.33 : x
  2. Step 2: Convert to fraction form
    785,849.29/1,178,782.17 = 629,074.33/x
  3. Step 3: Cross multiply
    785,849.29x = 1,178,782.17 × 629,074.33
  4. Step 4: Simplify right side
    785,849.29x = 741,541,603,808.70
  5. Step 5: Solve for x
    x = 741,541,603,808.70/785,849.29
  6. Step 6: Final answer
    x = 943,618.09

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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.