Home / 721,846.60-1,082,915.70-248,579.80

Finding the Fourth Proportional to 721,846.60, 1,082,915.70 and 248,579.80

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Solution

The fourth proportional to 721,846.60, 1,082,915.70 and 248,579.80 is: 372,919.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,846.60 : 1,082,915.70 = 248,579.80 : x
  2. Step 2: Convert to fraction form
    721,846.60/1,082,915.70 = 248,579.80/x
  3. Step 3: Cross multiply
    721,846.60x = 1,082,915.70 × 248,579.80
  4. Step 4: Simplify right side
    721,846.60x = 269,190,968,122.86
  5. Step 5: Solve for x
    x = 269,190,968,122.86/721,846.60
  6. Step 6: Final answer
    x = 372,919.91

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1.5x scale

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.