Home / 809,410.92-1,116,972.89-446,825.45

Finding the Fourth Proportional to 809,410.92, 1,116,972.89 and 446,825.45

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Solution

The fourth proportional to 809,410.92, 1,116,972.89 and 446,825.45 is: 616,611.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,410.92 : 1,116,972.89 = 446,825.45 : x
  2. Step 2: Convert to fraction form
    809,410.92/1,116,972.89 = 446,825.45/x
  3. Step 3: Cross multiply
    809,410.92x = 1,116,972.89 × 446,825.45
  4. Step 4: Simplify right side
    809,410.92x = 499,091,916,445.95
  5. Step 5: Solve for x
    x = 499,091,916,445.95/809,410.92
  6. Step 6: Final answer
    x = 616,611.30

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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.