Home / 804,382-1,110,115.61-455,584.45

Finding the Fourth Proportional to 804,382, 1,110,115.61 and 455,584.45

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Solution

The fourth proportional to 804,382, 1,110,115.61 and 455,584.45 is: 628,745.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,382 : 1,110,115.61 = 455,584.45 : x
  2. Step 2: Convert to fraction form
    804,382/1,110,115.61 = 455,584.45/x
  3. Step 3: Cross multiply
    804,382x = 1,110,115.61 × 455,584.45
  4. Step 4: Simplify right side
    804,382x = 505,751,409,618.27
  5. Step 5: Solve for x
    x = 505,751,409,618.27/804,382
  6. Step 6: Final answer
    x = 628,745.31

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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.