Home / 809,008.40-1,213,512.60-804,342.80

Finding the Fourth Proportional to 809,008.40, 1,213,512.60 and 804,342.80

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Solution

The fourth proportional to 809,008.40, 1,213,512.60 and 804,342.80 is: 1,206,514.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,008.40 : 1,213,512.60 = 804,342.80 : x
  2. Step 2: Convert to fraction form
    809,008.40/1,213,512.60 = 804,342.80/x
  3. Step 3: Cross multiply
    809,008.40x = 1,213,512.60 × 804,342.80
  4. Step 4: Simplify right side
    809,008.40x = 976,080,122,519.28
  5. Step 5: Solve for x
    x = 976,080,122,519.28/809,008.40
  6. Step 6: Final answer
    x = 1,206,514.20

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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.