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Finding the Fourth Proportional to 583,309.33, 804,991.69 and 325,186.22

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Solution

The fourth proportional to 583,309.33, 804,991.69 and 325,186.22 is: 448,770.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,309.33 : 804,991.69 = 325,186.22 : x
  2. Step 2: Convert to fraction form
    583,309.33/804,991.69 = 325,186.22/x
  3. Step 3: Cross multiply
    583,309.33x = 804,991.69 × 325,186.22
  4. Step 4: Simplify right side
    583,309.33x = 261,772,204,802.51
  5. Step 5: Solve for x
    x = 261,772,204,802.51/583,309.33
  6. Step 6: Final answer
    x = 448,770.82

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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.