Home / 725,399.83-1,001,076.04-403,123.51

Finding the Fourth Proportional to 725,399.83, 1,001,076.04 and 403,123.51

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Solution

The fourth proportional to 725,399.83, 1,001,076.04 and 403,123.51 is: 556,323.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,399.83 : 1,001,076.04 = 403,123.51 : x
  2. Step 2: Convert to fraction form
    725,399.83/1,001,076.04 = 403,123.51/x
  3. Step 3: Cross multiply
    725,399.83x = 1,001,076.04 × 403,123.51
  4. Step 4: Simplify right side
    725,399.83x = 403,557,287,021.70
  5. Step 5: Solve for x
    x = 403,557,287,021.70/725,399.83
  6. Step 6: Final answer
    x = 556,323.93

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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.