Home / 776,637.36-1,165,408.83-327,330.36

Finding the Fourth Proportional to 776,637.36, 1,165,408.83 and 327,330.36

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Solution

The fourth proportional to 776,637.36, 1,165,408.83 and 327,330.36 is: 491,186.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,637.36 : 1,165,408.83 = 327,330.36 : x
  2. Step 2: Convert to fraction form
    776,637.36/1,165,408.83 = 327,330.36/x
  3. Step 3: Cross multiply
    776,637.36x = 1,165,408.83 × 327,330.36
  4. Step 4: Simplify right side
    776,637.36x = 381,473,691,871.08
  5. Step 5: Solve for x
    x = 381,473,691,871.08/776,637.36
  6. Step 6: Final answer
    x = 491,186.38

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1.5x scale

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.