Home / 809,268.80-1,213,903.20-335,904.80

Finding the Fourth Proportional to 809,268.80, 1,213,903.20 and 335,904.80

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Solution

The fourth proportional to 809,268.80, 1,213,903.20 and 335,904.80 is: 503,857.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,268.80 : 1,213,903.20 = 335,904.80 : x
  2. Step 2: Convert to fraction form
    809,268.80/1,213,903.20 = 335,904.80/x
  3. Step 3: Cross multiply
    809,268.80x = 1,213,903.20 × 335,904.80
  4. Step 4: Simplify right side
    809,268.80x = 407,755,911,615.36
  5. Step 5: Solve for x
    x = 407,755,911,615.36/809,268.80
  6. Step 6: Final answer
    x = 503,857.20

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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.