Home / 683,679.28-1,025,648.52-284,103.12

Finding the Fourth Proportional to 683,679.28, 1,025,648.52 and 284,103.12

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Solution

The fourth proportional to 683,679.28, 1,025,648.52 and 284,103.12 is: 426,208.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,679.28 : 1,025,648.52 = 284,103.12 : x
  2. Step 2: Convert to fraction form
    683,679.28/1,025,648.52 = 284,103.12/x
  3. Step 3: Cross multiply
    683,679.28x = 1,025,648.52 × 284,103.12
  4. Step 4: Simplify right side
    683,679.28x = 291,389,944,555.38
  5. Step 5: Solve for x
    x = 291,389,944,555.38/683,679.28
  6. Step 6: Final answer
    x = 426,208.54

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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.