Home / 804,346.12-1,109,487.54-494,112.88

Finding the Fourth Proportional to 804,346.12, 1,109,487.54 and 494,112.88

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Solution

The fourth proportional to 804,346.12, 1,109,487.54 and 494,112.88 is: 681,562.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,346.12 : 1,109,487.54 = 494,112.88 : x
  2. Step 2: Convert to fraction form
    804,346.12/1,109,487.54 = 494,112.88/x
  3. Step 3: Cross multiply
    804,346.12x = 1,109,487.54 × 494,112.88
  4. Step 4: Simplify right side
    804,346.12x = 548,212,083,713.52
  5. Step 5: Solve for x
    x = 548,212,083,713.52/804,346.12
  6. Step 6: Final answer
    x = 681,562.41

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1.5x scale

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.