Home / 683,716.80-1,025,263.55-284,119.09

Finding the Fourth Proportional to 683,716.80, 1,025,263.55 and 284,119.09

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Solution

The fourth proportional to 683,716.80, 1,025,263.55 and 284,119.09 is: 426,049.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,716.80 : 1,025,263.55 = 284,119.09 : x
  2. Step 2: Convert to fraction form
    683,716.80/1,025,263.55 = 284,119.09/x
  3. Step 3: Cross multiply
    683,716.80x = 1,025,263.55 × 284,119.09
  4. Step 4: Simplify right side
    683,716.80x = 291,296,949,951.33
  5. Step 5: Solve for x
    x = 291,296,949,951.33/683,716.80
  6. Step 6: Final answer
    x = 426,049.13

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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.