Home / 876,635.73-1,313,895.69-426,682.35

Finding the Fourth Proportional to 876,635.73, 1,313,895.69 and 426,682.35

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Solution

The fourth proportional to 876,635.73, 1,313,895.69 and 426,682.35 is: 639,508.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,635.73 : 1,313,895.69 = 426,682.35 : x
  2. Step 2: Convert to fraction form
    876,635.73/1,313,895.69 = 426,682.35/x
  3. Step 3: Cross multiply
    876,635.73x = 1,313,895.69 × 426,682.35
  4. Step 4: Simplify right side
    876,635.73x = 560,616,100,664.07
  5. Step 5: Solve for x
    x = 560,616,100,664.07/876,635.73
  6. Step 6: Final answer
    x = 639,508.61

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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.