Home / 788,247.27-1,087,958.43-516,157.14

Finding the Fourth Proportional to 788,247.27, 1,087,958.43 and 516,157.14

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Solution

The fourth proportional to 788,247.27, 1,087,958.43 and 516,157.14 is: 712,412.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,247.27 : 1,087,958.43 = 516,157.14 : x
  2. Step 2: Convert to fraction form
    788,247.27/1,087,958.43 = 516,157.14/x
  3. Step 3: Cross multiply
    788,247.27x = 1,087,958.43 × 516,157.14
  4. Step 4: Simplify right side
    788,247.27x = 561,557,504,937.51
  5. Step 5: Solve for x
    x = 561,557,504,937.51/788,247.27
  6. Step 6: Final answer
    x = 712,412.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.