Home / 851,565.27-1,275,901.96-513,896.37

Finding the Fourth Proportional to 851,565.27, 1,275,901.96 and 513,896.37

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Solution

The fourth proportional to 851,565.27, 1,275,901.96 and 513,896.37 is: 769,971.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,565.27 : 1,275,901.96 = 513,896.37 : x
  2. Step 2: Convert to fraction form
    851,565.27/1,275,901.96 = 513,896.37/x
  3. Step 3: Cross multiply
    851,565.27x = 1,275,901.96 × 513,896.37
  4. Step 4: Simplify right side
    851,565.27x = 655,681,387,791.02
  5. Step 5: Solve for x
    x = 655,681,387,791.02/851,565.27
  6. Step 6: Final answer
    x = 769,971.97

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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.