Home / 809,102.32-1,213,785.12-303,703

Finding the Fourth Proportional to 809,102.32, 1,213,785.12 and 303,703

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Solution

The fourth proportional to 809,102.32, 1,213,785.12 and 303,703 is: 455,603.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,102.32 : 1,213,785.12 = 303,703 : x
  2. Step 2: Convert to fraction form
    809,102.32/1,213,785.12 = 303,703/x
  3. Step 3: Cross multiply
    809,102.32x = 1,213,785.12 × 303,703
  4. Step 4: Simplify right side
    809,102.32x = 368,630,182,299.36
  5. Step 5: Solve for x
    x = 368,630,182,299.36/809,102.32
  6. Step 6: Final answer
    x = 455,603.91

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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.