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Finding the Fourth Proportional to 632,057.45, 872,233.31 and 345,574.49

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Solution

The fourth proportional to 632,057.45, 872,233.31 and 345,574.49 is: 476,889.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,057.45 : 872,233.31 = 345,574.49 : x
  2. Step 2: Convert to fraction form
    632,057.45/872,233.31 = 345,574.49/x
  3. Step 3: Cross multiply
    632,057.45x = 872,233.31 × 345,574.49
  4. Step 4: Simplify right side
    632,057.45x = 301,421,577,767.03
  5. Step 5: Solve for x
    x = 301,421,577,767.03/632,057.45
  6. Step 6: Final answer
    x = 476,889.53

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.