Home / 879,794.40-1,319,691.60-658,610.40

Finding the Fourth Proportional to 879,794.40, 1,319,691.60 and 658,610.40

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Solution

The fourth proportional to 879,794.40, 1,319,691.60 and 658,610.40 is: 987,915.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,794.40 : 1,319,691.60 = 658,610.40 : x
  2. Step 2: Convert to fraction form
    879,794.40/1,319,691.60 = 658,610.40/x
  3. Step 3: Cross multiply
    879,794.40x = 1,319,691.60 × 658,610.40
  4. Step 4: Simplify right side
    879,794.40x = 869,162,612,552.64
  5. Step 5: Solve for x
    x = 869,162,612,552.64/879,794.40
  6. Step 6: Final answer
    x = 987,915.60

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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.