Home / 806,882.70-1,111,094.66-788,980.28

Finding the Fourth Proportional to 806,882.70, 1,111,094.66 and 788,980.28

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Solution

The fourth proportional to 806,882.70, 1,111,094.66 and 788,980.28 is: 1,086,442.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,882.70 : 1,111,094.66 = 788,980.28 : x
  2. Step 2: Convert to fraction form
    806,882.70/1,111,094.66 = 788,980.28/x
  3. Step 3: Cross multiply
    806,882.70x = 1,111,094.66 × 788,980.28
  4. Step 4: Simplify right side
    806,882.70x = 876,631,766,452.93
  5. Step 5: Solve for x
    x = 876,631,766,452.93/806,882.70
  6. Step 6: Final answer
    x = 1,086,442.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.