Home / 804,956.94-1,110,867.21-442,393.65

Finding the Fourth Proportional to 804,956.94, 1,110,867.21 and 442,393.65

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Solution

The fourth proportional to 804,956.94, 1,110,867.21 and 442,393.65 is: 610,517.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,956.94 : 1,110,867.21 = 442,393.65 : x
  2. Step 2: Convert to fraction form
    804,956.94/1,110,867.21 = 442,393.65/x
  3. Step 3: Cross multiply
    804,956.94x = 1,110,867.21 × 442,393.65
  4. Step 4: Simplify right side
    804,956.94x = 491,440,599,697.22
  5. Step 5: Solve for x
    x = 491,440,599,697.22/804,956.94
  6. Step 6: Final answer
    x = 610,517.87

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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.