Home / 767,249.43-1,058,808.75-445,151.31

Finding the Fourth Proportional to 767,249.43, 1,058,808.75 and 445,151.31

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Solution

The fourth proportional to 767,249.43, 1,058,808.75 and 445,151.31 is: 614,311.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,249.43 : 1,058,808.75 = 445,151.31 : x
  2. Step 2: Convert to fraction form
    767,249.43/1,058,808.75 = 445,151.31/x
  3. Step 3: Cross multiply
    767,249.43x = 1,058,808.75 × 445,151.31
  4. Step 4: Simplify right side
    767,249.43x = 471,330,102,101.96
  5. Step 5: Solve for x
    x = 471,330,102,101.96/767,249.43
  6. Step 6: Final answer
    x = 614,311.44

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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.