Home / 809,455.32-1,117,049.75-446,879.76

Finding the Fourth Proportional to 809,455.32, 1,117,049.75 and 446,879.76

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Solution

The fourth proportional to 809,455.32, 1,117,049.75 and 446,879.76 is: 616,694.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,455.32 : 1,117,049.75 = 446,879.76 : x
  2. Step 2: Convert to fraction form
    809,455.32/1,117,049.75 = 446,879.76/x
  3. Step 3: Cross multiply
    809,455.32x = 1,117,049.75 × 446,879.76
  4. Step 4: Simplify right side
    809,455.32x = 499,186,924,188.06
  5. Step 5: Solve for x
    x = 499,186,924,188.06/809,455.32
  6. Step 6: Final answer
    x = 616,694.85

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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.