Home / 681,386.32-1,022,279.06-201,626.26

Finding the Fourth Proportional to 681,386.32, 1,022,279.06 and 201,626.26

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Solution

The fourth proportional to 681,386.32, 1,022,279.06 and 201,626.26 is: 302,498.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,386.32 : 1,022,279.06 = 201,626.26 : x
  2. Step 2: Convert to fraction form
    681,386.32/1,022,279.06 = 201,626.26/x
  3. Step 3: Cross multiply
    681,386.32x = 1,022,279.06 × 201,626.26
  4. Step 4: Simplify right side
    681,386.32x = 206,118,303,544.12
  5. Step 5: Solve for x
    x = 206,118,303,544.12/681,386.32
  6. Step 6: Final answer
    x = 302,498.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.