Home / 821,058.63-1,231,705.49-252,487.38

Finding the Fourth Proportional to 821,058.63, 1,231,705.49 and 252,487.38

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Solution

The fourth proportional to 821,058.63, 1,231,705.49 and 252,487.38 is: 378,767.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,058.63 : 1,231,705.49 = 252,487.38 : x
  2. Step 2: Convert to fraction form
    821,058.63/1,231,705.49 = 252,487.38/x
  3. Step 3: Cross multiply
    821,058.63x = 1,231,705.49 × 252,487.38
  4. Step 4: Simplify right side
    821,058.63x = 310,990,089,950.07
  5. Step 5: Solve for x
    x = 310,990,089,950.07/821,058.63
  6. Step 6: Final answer
    x = 378,767.22

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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.