Home / 801,009.20-1,199,764.20-622,112.60

Finding the Fourth Proportional to 801,009.20, 1,199,764.20 and 622,112.60

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Solution

The fourth proportional to 801,009.20, 1,199,764.20 and 622,112.60 is: 931,810.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,009.20 : 1,199,764.20 = 622,112.60 : x
  2. Step 2: Convert to fraction form
    801,009.20/1,199,764.20 = 622,112.60/x
  3. Step 3: Cross multiply
    801,009.20x = 1,199,764.20 × 622,112.60
  4. Step 4: Simplify right side
    801,009.20x = 746,388,425,848.92
  5. Step 5: Solve for x
    x = 746,388,425,848.92/801,009.20
  6. Step 6: Final answer
    x = 931,810.05

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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.