Home / 804,345.12-1,109,486.16-494,111.88

Finding the Fourth Proportional to 804,345.12, 1,109,486.16 and 494,111.88

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Solution

The fourth proportional to 804,345.12, 1,109,486.16 and 494,111.88 is: 681,561.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,345.12 : 1,109,486.16 = 494,111.88 : x
  2. Step 2: Convert to fraction form
    804,345.12/1,109,486.16 = 494,111.88/x
  3. Step 3: Cross multiply
    804,345.12x = 1,109,486.16 × 494,111.88
  4. Step 4: Simplify right side
    804,345.12x = 548,210,292,351.58
  5. Step 5: Solve for x
    x = 548,210,292,351.58/804,345.12
  6. Step 6: Final answer
    x = 681,561.03

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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.