Home / 801,566.43-1,105,629.66-515,448.51

Finding the Fourth Proportional to 801,566.43, 1,105,629.66 and 515,448.51

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Solution

The fourth proportional to 801,566.43, 1,105,629.66 and 515,448.51 is: 710,976.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,566.43 : 1,105,629.66 = 515,448.51 : x
  2. Step 2: Convert to fraction form
    801,566.43/1,105,629.66 = 515,448.51/x
  3. Step 3: Cross multiply
    801,566.43x = 1,105,629.66 × 515,448.51
  4. Step 4: Simplify right side
    801,566.43x = 569,895,160,858.81
  5. Step 5: Solve for x
    x = 569,895,160,858.81/801,566.43
  6. Step 6: Final answer
    x = 710,976.83

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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.