Home / 809,279.16-1,116,805.31-446,703.12

Finding the Fourth Proportional to 809,279.16, 1,116,805.31 and 446,703.12

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Solution

The fourth proportional to 809,279.16, 1,116,805.31 and 446,703.12 is: 616,450.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,279.16 : 1,116,805.31 = 446,703.12 : x
  2. Step 2: Convert to fraction form
    809,279.16/1,116,805.31 = 446,703.12/x
  3. Step 3: Cross multiply
    809,279.16x = 1,116,805.31 × 446,703.12
  4. Step 4: Simplify right side
    809,279.16x = 498,880,409,988.03
  5. Step 5: Solve for x
    x = 498,880,409,988.03/809,279.16
  6. Step 6: Final answer
    x = 616,450.33

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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.