Home / 683,359.02-1,025,065.62-256,851.90

Finding the Fourth Proportional to 683,359.02, 1,025,065.62 and 256,851.90

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Solution

The fourth proportional to 683,359.02, 1,025,065.62 and 256,851.90 is: 385,288.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,359.02 : 1,025,065.62 = 256,851.90 : x
  2. Step 2: Convert to fraction form
    683,359.02/1,025,065.62 = 256,851.90/x
  3. Step 3: Cross multiply
    683,359.02x = 1,025,065.62 × 256,851.90
  4. Step 4: Simplify right side
    683,359.02x = 263,290,052,121.68
  5. Step 5: Solve for x
    x = 263,290,052,121.68/683,359.02
  6. Step 6: Final answer
    x = 385,288.03

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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.