Home / 809,412.42-1,116,974.96-446,826.96

Finding the Fourth Proportional to 809,412.42, 1,116,974.96 and 446,826.96

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Solution

The fourth proportional to 809,412.42, 1,116,974.96 and 446,826.96 is: 616,613.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,412.42 : 1,116,974.96 = 446,826.96 : x
  2. Step 2: Convert to fraction form
    809,412.42/1,116,974.96 = 446,826.96/x
  3. Step 3: Cross multiply
    809,412.42x = 1,116,974.96 × 446,826.96
  4. Step 4: Simplify right side
    809,412.42x = 499,094,523,538.79
  5. Step 5: Solve for x
    x = 499,094,523,538.79/809,412.42
  6. Step 6: Final answer
    x = 616,613.37

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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.