Home / 683,471.52-1,025,426.88-328,511.52

Finding the Fourth Proportional to 683,471.52, 1,025,426.88 and 328,511.52

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Solution

The fourth proportional to 683,471.52, 1,025,426.88 and 328,511.52 is: 492,872.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,471.52 : 1,025,426.88 = 328,511.52 : x
  2. Step 2: Convert to fraction form
    683,471.52/1,025,426.88 = 328,511.52/x
  3. Step 3: Cross multiply
    683,471.52x = 1,025,426.88 × 328,511.52
  4. Step 4: Simplify right side
    683,471.52x = 336,864,542,997.66
  5. Step 5: Solve for x
    x = 336,864,542,997.66/683,471.52
  6. Step 6: Final answer
    x = 492,872.83

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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.