Home / 886,283.63-1,329,146.60-287,105.78

Finding the Fourth Proportional to 886,283.63, 1,329,146.60 and 287,105.78

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Solution

The fourth proportional to 886,283.63, 1,329,146.60 and 287,105.78 is: 430,568.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,283.63 : 1,329,146.60 = 287,105.78 : x
  2. Step 2: Convert to fraction form
    886,283.63/1,329,146.60 = 287,105.78/x
  3. Step 3: Cross multiply
    886,283.63x = 1,329,146.60 × 287,105.78
  4. Step 4: Simplify right side
    886,283.63x = 381,605,663,246.09
  5. Step 5: Solve for x
    x = 381,605,663,246.09/886,283.63
  6. Step 6: Final answer
    x = 430,568.33

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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.