Home / 831,142.86-1,246,785.02-262,371.80

Finding the Fourth Proportional to 831,142.86, 1,246,785.02 and 262,371.80

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Solution

The fourth proportional to 831,142.86, 1,246,785.02 and 262,371.80 is: 393,580.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,142.86 : 1,246,785.02 = 262,371.80 : x
  2. Step 2: Convert to fraction form
    831,142.86/1,246,785.02 = 262,371.80/x
  3. Step 3: Cross multiply
    831,142.86x = 1,246,785.02 × 262,371.80
  4. Step 4: Simplify right side
    831,142.86x = 327,121,229,910.44
  5. Step 5: Solve for x
    x = 327,121,229,910.44/831,142.86
  6. Step 6: Final answer
    x = 393,580.03

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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.