Home / 886,283.52-1,329,146.43-287,105.64

Finding the Fourth Proportional to 886,283.52, 1,329,146.43 and 287,105.64

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Solution

The fourth proportional to 886,283.52, 1,329,146.43 and 287,105.64 is: 430,568.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,283.52 : 1,329,146.43 = 287,105.64 : x
  2. Step 2: Convert to fraction form
    886,283.52/1,329,146.43 = 287,105.64/x
  3. Step 3: Cross multiply
    886,283.52x = 1,329,146.43 × 287,105.64
  4. Step 4: Simplify right side
    886,283.52x = 381,605,436,438.87
  5. Step 5: Solve for x
    x = 381,605,436,438.87/886,283.52
  6. Step 6: Final answer
    x = 430,568.13

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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.