Home / 809,495.78-1,117,081.94-446,913.05

Finding the Fourth Proportional to 809,495.78, 1,117,081.94 and 446,913.05

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Solution

The fourth proportional to 809,495.78, 1,117,081.94 and 446,913.05 is: 616,727.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,495.78 : 1,117,081.94 = 446,913.05 : x
  2. Step 2: Convert to fraction form
    809,495.78/1,117,081.94 = 446,913.05/x
  3. Step 3: Cross multiply
    809,495.78x = 1,117,081.94 × 446,913.05
  4. Step 4: Simplify right side
    809,495.78x = 499,238,489,085.34
  5. Step 5: Solve for x
    x = 499,238,489,085.34/809,495.78
  6. Step 6: Final answer
    x = 616,727.73

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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.