Home / 780,166.26-1,170,377.47-240,422.63

Finding the Fourth Proportional to 780,166.26, 1,170,377.47 and 240,422.63

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Solution

The fourth proportional to 780,166.26, 1,170,377.47 and 240,422.63 is: 360,673.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,166.26 : 1,170,377.47 = 240,422.63 : x
  2. Step 2: Convert to fraction form
    780,166.26/1,170,377.47 = 240,422.63/x
  3. Step 3: Cross multiply
    780,166.26x = 1,170,377.47 × 240,422.63
  4. Step 4: Simplify right side
    780,166.26x = 281,385,231,755.03
  5. Step 5: Solve for x
    x = 281,385,231,755.03/780,166.26
  6. Step 6: Final answer
    x = 360,673.42

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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.