Home / 804,960.32-1,110,791.44-442,376.40

Finding the Fourth Proportional to 804,960.32, 1,110,791.44 and 442,376.40

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Solution

The fourth proportional to 804,960.32, 1,110,791.44 and 442,376.40 is: 610,449.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,960.32 : 1,110,791.44 = 442,376.40 : x
  2. Step 2: Convert to fraction form
    804,960.32/1,110,791.44 = 442,376.40/x
  3. Step 3: Cross multiply
    804,960.32x = 1,110,791.44 × 442,376.40
  4. Step 4: Simplify right side
    804,960.32x = 491,387,918,378.02
  5. Step 5: Solve for x
    x = 491,387,918,378.02/804,960.32
  6. Step 6: Final answer
    x = 610,449.86

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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.