Home / 871,807.82-1,203,631.56-691,249.10

Finding the Fourth Proportional to 871,807.82, 1,203,631.56 and 691,249.10

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Solution

The fourth proportional to 871,807.82, 1,203,631.56 and 691,249.10 is: 954,349.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,807.82 : 1,203,631.56 = 691,249.10 : x
  2. Step 2: Convert to fraction form
    871,807.82/1,203,631.56 = 691,249.10/x
  3. Step 3: Cross multiply
    871,807.82x = 1,203,631.56 × 691,249.10
  4. Step 4: Simplify right side
    871,807.82x = 832,009,232,581.60
  5. Step 5: Solve for x
    x = 832,009,232,581.60/871,807.82
  6. Step 6: Final answer
    x = 954,349.36

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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.