Home / 590,675.25-815,131.85-322,403.25

Finding the Fourth Proportional to 590,675.25, 815,131.85 and 322,403.25

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Solution

The fourth proportional to 590,675.25, 815,131.85 and 322,403.25 is: 444,916.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,675.25 : 815,131.85 = 322,403.25 : x
  2. Step 2: Convert to fraction form
    590,675.25/815,131.85 = 322,403.25/x
  3. Step 3: Cross multiply
    590,675.25x = 815,131.85 × 322,403.25
  4. Step 4: Simplify right side
    590,675.25x = 262,801,157,618.51
  5. Step 5: Solve for x
    x = 262,801,157,618.51/590,675.25
  6. Step 6: Final answer
    x = 444,916.49

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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.