Home / 885,891.60-1,222,105.32-579,833.28

Finding the Fourth Proportional to 885,891.60, 1,222,105.32 and 579,833.28

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Solution

The fourth proportional to 885,891.60, 1,222,105.32 and 579,833.28 is: 799,891.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,891.60 : 1,222,105.32 = 579,833.28 : x
  2. Step 2: Convert to fraction form
    885,891.60/1,222,105.32 = 579,833.28/x
  3. Step 3: Cross multiply
    885,891.60x = 1,222,105.32 × 579,833.28
  4. Step 4: Simplify right side
    885,891.60x = 708,617,336,201.05
  5. Step 5: Solve for x
    x = 708,617,336,201.05/885,891.60
  6. Step 6: Final answer
    x = 799,891.70

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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.