Home / 751,689.48-1,126,998.48-352,112.28

Finding the Fourth Proportional to 751,689.48, 1,126,998.48 and 352,112.28

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Solution

The fourth proportional to 751,689.48, 1,126,998.48 and 352,112.28 is: 527,917.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,689.48 : 1,126,998.48 = 352,112.28 : x
  2. Step 2: Convert to fraction form
    751,689.48/1,126,998.48 = 352,112.28/x
  3. Step 3: Cross multiply
    751,689.48x = 1,126,998.48 × 352,112.28
  4. Step 4: Simplify right side
    751,689.48x = 396,830,004,349.33
  5. Step 5: Solve for x
    x = 396,830,004,349.33/751,689.48
  6. Step 6: Final answer
    x = 527,917.46

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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.