Home / 809,399.34-1,116,980.14-446,823.39

Finding the Fourth Proportional to 809,399.34, 1,116,980.14 and 446,823.39

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Solution

The fourth proportional to 809,399.34, 1,116,980.14 and 446,823.39 is: 616,621.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,399.34 : 1,116,980.14 = 446,823.39 : x
  2. Step 2: Convert to fraction form
    809,399.34/1,116,980.14 = 446,823.39/x
  3. Step 3: Cross multiply
    809,399.34x = 1,116,980.14 × 446,823.39
  4. Step 4: Simplify right side
    809,399.34x = 499,092,852,717.48
  5. Step 5: Solve for x
    x = 499,092,852,717.48/809,399.34
  6. Step 6: Final answer
    x = 616,621.27

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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.