Home / 780,309.51-1,170,464.23-219,344.01

Finding the Fourth Proportional to 780,309.51, 1,170,464.23 and 219,344.01

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Solution

The fourth proportional to 780,309.51, 1,170,464.23 and 219,344.01 is: 329,016.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,309.51 : 1,170,464.23 = 219,344.01 : x
  2. Step 2: Convert to fraction form
    780,309.51/1,170,464.23 = 219,344.01/x
  3. Step 3: Cross multiply
    780,309.51x = 1,170,464.23 × 219,344.01
  4. Step 4: Simplify right side
    780,309.51x = 256,734,317,769.76
  5. Step 5: Solve for x
    x = 256,734,317,769.76/780,309.51
  6. Step 6: Final answer
    x = 329,016.01

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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.