Home / 879,032.52-1,318,112.60-279,915.62

Finding the Fourth Proportional to 879,032.52, 1,318,112.60 and 279,915.62

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Solution

The fourth proportional to 879,032.52, 1,318,112.60 and 279,915.62 is: 419,734.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,032.52 : 1,318,112.60 = 279,915.62 : x
  2. Step 2: Convert to fraction form
    879,032.52/1,318,112.60 = 279,915.62/x
  3. Step 3: Cross multiply
    879,032.52x = 1,318,112.60 × 279,915.62
  4. Step 4: Simplify right side
    879,032.52x = 368,960,297,668.67
  5. Step 5: Solve for x
    x = 368,960,297,668.67/879,032.52
  6. Step 6: Final answer
    x = 419,734.53

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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.