Home / 792,980.88-1,092,805.20-778,407.36

Finding the Fourth Proportional to 792,980.88, 1,092,805.20 and 778,407.36

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Solution

The fourth proportional to 792,980.88, 1,092,805.20 and 778,407.36 is: 1,072,721.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,980.88 : 1,092,805.20 = 778,407.36 : x
  2. Step 2: Convert to fraction form
    792,980.88/1,092,805.20 = 778,407.36/x
  3. Step 3: Cross multiply
    792,980.88x = 1,092,805.20 × 778,407.36
  4. Step 4: Simplify right side
    792,980.88x = 850,647,610,726.27
  5. Step 5: Solve for x
    x = 850,647,610,726.27/792,980.88
  6. Step 6: Final answer
    x = 1,072,721.46

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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.