Home / 809,399.18-1,116,979.93-446,823.24

Finding the Fourth Proportional to 809,399.18, 1,116,979.93 and 446,823.24

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Solution

The fourth proportional to 809,399.18, 1,116,979.93 and 446,823.24 is: 616,621.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,399.18 : 1,116,979.93 = 446,823.24 : x
  2. Step 2: Convert to fraction form
    809,399.18/1,116,979.93 = 446,823.24/x
  3. Step 3: Cross multiply
    809,399.18x = 1,116,979.93 × 446,823.24
  4. Step 4: Simplify right side
    809,399.18x = 499,092,585,194.05
  5. Step 5: Solve for x
    x = 499,092,585,194.05/809,399.18
  6. Step 6: Final answer
    x = 616,621.06

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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.