Home / 719,884.90-1,079,943.99-299,183.86

Finding the Fourth Proportional to 719,884.90, 1,079,943.99 and 299,183.86

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Solution

The fourth proportional to 719,884.90, 1,079,943.99 and 299,183.86 is: 448,824.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,884.90 : 1,079,943.99 = 299,183.86 : x
  2. Step 2: Convert to fraction form
    719,884.90/1,079,943.99 = 299,183.86/x
  3. Step 3: Cross multiply
    719,884.90x = 1,079,943.99 × 299,183.86
  4. Step 4: Simplify right side
    719,884.90x = 323,101,811,512.00
  5. Step 5: Solve for x
    x = 323,101,811,512.00/719,884.90
  6. Step 6: Final answer
    x = 448,824.27

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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.