Home / 751,693.77-1,127,431.31-219,071.79

Finding the Fourth Proportional to 751,693.77, 1,127,431.31 and 219,071.79

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Solution

The fourth proportional to 751,693.77, 1,127,431.31 and 219,071.79 is: 328,575.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,693.77 : 1,127,431.31 = 219,071.79 : x
  2. Step 2: Convert to fraction form
    751,693.77/1,127,431.31 = 219,071.79/x
  3. Step 3: Cross multiply
    751,693.77x = 1,127,431.31 × 219,071.79
  4. Step 4: Simplify right side
    751,693.77x = 246,988,394,088.39
  5. Step 5: Solve for x
    x = 246,988,394,088.39/751,693.77
  6. Step 6: Final answer
    x = 328,575.82

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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.