Home / 804,347.12-1,109,488.92-494,113.88

Finding the Fourth Proportional to 804,347.12, 1,109,488.92 and 494,113.88

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Solution

The fourth proportional to 804,347.12, 1,109,488.92 and 494,113.88 is: 681,563.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,347.12 : 1,109,488.92 = 494,113.88 : x
  2. Step 2: Convert to fraction form
    804,347.12/1,109,488.92 = 494,113.88/x
  3. Step 3: Cross multiply
    804,347.12x = 1,109,488.92 × 494,113.88
  4. Step 4: Simplify right side
    804,347.12x = 548,213,875,078.21
  5. Step 5: Solve for x
    x = 548,213,875,078.21/804,347.12
  6. Step 6: Final answer
    x = 681,563.79

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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.