Home / 885,310.68-1,221,732.60-482,911.32

Finding the Fourth Proportional to 885,310.68, 1,221,732.60 and 482,911.32

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Solution

The fourth proportional to 885,310.68, 1,221,732.60 and 482,911.32 is: 666,419.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,310.68 : 1,221,732.60 = 482,911.32 : x
  2. Step 2: Convert to fraction form
    885,310.68/1,221,732.60 = 482,911.32/x
  3. Step 3: Cross multiply
    885,310.68x = 1,221,732.60 × 482,911.32
  4. Step 4: Simplify right side
    885,310.68x = 589,988,502,553.03
  5. Step 5: Solve for x
    x = 589,988,502,553.03/885,310.68
  6. Step 6: Final answer
    x = 666,419.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.