Home / 780,257.82-1,170,427.29-247,820.52

Finding the Fourth Proportional to 780,257.82, 1,170,427.29 and 247,820.52

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Solution

The fourth proportional to 780,257.82, 1,170,427.29 and 247,820.52 is: 371,743.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,257.82 : 1,170,427.29 = 247,820.52 : x
  2. Step 2: Convert to fraction form
    780,257.82/1,170,427.29 = 247,820.52/x
  3. Step 3: Cross multiply
    780,257.82x = 1,170,427.29 × 247,820.52
  4. Step 4: Simplify right side
    780,257.82x = 290,055,899,629.99
  5. Step 5: Solve for x
    x = 290,055,899,629.99/780,257.82
  6. Step 6: Final answer
    x = 371,743.66

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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.