Home / 887,629.35-1,330,787.92-488,720.55

Finding the Fourth Proportional to 887,629.35, 1,330,787.92 and 488,720.55

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Solution

The fourth proportional to 887,629.35, 1,330,787.92 and 488,720.55 is: 732,719.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,629.35 : 1,330,787.92 = 488,720.55 : x
  2. Step 2: Convert to fraction form
    887,629.35/1,330,787.92 = 488,720.55/x
  3. Step 3: Cross multiply
    887,629.35x = 1,330,787.92 × 488,720.55
  4. Step 4: Simplify right side
    887,629.35x = 650,383,404,195.76
  5. Step 5: Solve for x
    x = 650,383,404,195.76/887,629.35
  6. Step 6: Final answer
    x = 732,719.58

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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.