Home / 807,342.33-1,211,015.20-758,017.97

Finding the Fourth Proportional to 807,342.33, 1,211,015.20 and 758,017.97

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Solution

The fourth proportional to 807,342.33, 1,211,015.20 and 758,017.97 is: 1,137,028.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,342.33 : 1,211,015.20 = 758,017.97 : x
  2. Step 2: Convert to fraction form
    807,342.33/1,211,015.20 = 758,017.97/x
  3. Step 3: Cross multiply
    807,342.33x = 1,211,015.20 × 758,017.97
  4. Step 4: Simplify right side
    807,342.33x = 917,971,283,543.14
  5. Step 5: Solve for x
    x = 917,971,283,543.14/807,342.33
  6. Step 6: Final answer
    x = 1,137,028.56

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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.