Home / 681,637.20-1,022,455.80-366,709.20

Finding the Fourth Proportional to 681,637.20, 1,022,455.80 and 366,709.20

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Solution

The fourth proportional to 681,637.20, 1,022,455.80 and 366,709.20 is: 550,063.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,637.20 : 1,022,455.80 = 366,709.20 : x
  2. Step 2: Convert to fraction form
    681,637.20/1,022,455.80 = 366,709.20/x
  3. Step 3: Cross multiply
    681,637.20x = 1,022,455.80 × 366,709.20
  4. Step 4: Simplify right side
    681,637.20x = 374,943,948,453.36
  5. Step 5: Solve for x
    x = 374,943,948,453.36/681,637.20
  6. Step 6: Final answer
    x = 550,063.80

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1.5x scale

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.