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Finding the Fourth Proportional to 893,488.56, 1,340,398.86 and 294,491.78

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Solution

The fourth proportional to 893,488.56, 1,340,398.86 and 294,491.78 is: 441,792.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,488.56 : 1,340,398.86 = 294,491.78 : x
  2. Step 2: Convert to fraction form
    893,488.56/1,340,398.86 = 294,491.78/x
  3. Step 3: Cross multiply
    893,488.56x = 1,340,398.86 × 294,491.78
  4. Step 4: Simplify right side
    893,488.56x = 394,736,446,191.37
  5. Step 5: Solve for x
    x = 394,736,446,191.37/893,488.56
  6. Step 6: Final answer
    x = 441,792.39

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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.