Home / 804,942.32-1,110,840.84-442,375.38

Finding the Fourth Proportional to 804,942.32, 1,110,840.84 and 442,375.38

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Solution

The fourth proportional to 804,942.32, 1,110,840.84 and 442,375.38 is: 610,489.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,942.32 : 1,110,840.84 = 442,375.38 : x
  2. Step 2: Convert to fraction form
    804,942.32/1,110,840.84 = 442,375.38/x
  3. Step 3: Cross multiply
    804,942.32x = 1,110,840.84 × 442,375.38
  4. Step 4: Simplify right side
    804,942.32x = 491,408,638,714.52
  5. Step 5: Solve for x
    x = 491,408,638,714.52/804,942.32
  6. Step 6: Final answer
    x = 610,489.26

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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.