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Finding the Fourth Proportional to 893,392.44, 1,340,252.82 and 294,388.92

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Solution

The fourth proportional to 893,392.44, 1,340,252.82 and 294,388.92 is: 441,637.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,392.44 : 1,340,252.82 = 294,388.92 : x
  2. Step 2: Convert to fraction form
    893,392.44/1,340,252.82 = 294,388.92/x
  3. Step 3: Cross multiply
    893,392.44x = 1,340,252.82 × 294,388.92
  4. Step 4: Simplify right side
    893,392.44x = 394,555,580,206.75
  5. Step 5: Solve for x
    x = 394,555,580,206.75/893,392.44
  6. Step 6: Final answer
    x = 441,637.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.