Home / 902,917.83-1,246,036.74-515,784.51

Finding the Fourth Proportional to 902,917.83, 1,246,036.74 and 515,784.51

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Solution

The fourth proportional to 902,917.83, 1,246,036.74 and 515,784.51 is: 711,788.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,917.83 : 1,246,036.74 = 515,784.51 : x
  2. Step 2: Convert to fraction form
    902,917.83/1,246,036.74 = 515,784.51/x
  3. Step 3: Cross multiply
    902,917.83x = 1,246,036.74 × 515,784.51
  4. Step 4: Simplify right side
    902,917.83x = 642,686,449,382.90
  5. Step 5: Solve for x
    x = 642,686,449,382.90/902,917.83
  6. Step 6: Final answer
    x = 711,788.41

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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.