Home / 694,915.20-1,042,372.80-295,455.60

Finding the Fourth Proportional to 694,915.20, 1,042,372.80 and 295,455.60

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Solution

The fourth proportional to 694,915.20, 1,042,372.80 and 295,455.60 is: 443,183.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,915.20 : 1,042,372.80 = 295,455.60 : x
  2. Step 2: Convert to fraction form
    694,915.20/1,042,372.80 = 295,455.60/x
  3. Step 3: Cross multiply
    694,915.20x = 1,042,372.80 × 295,455.60
  4. Step 4: Simplify right side
    694,915.20x = 307,974,881,047.68
  5. Step 5: Solve for x
    x = 307,974,881,047.68/694,915.20
  6. Step 6: Final answer
    x = 443,183.40

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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.