Home / 851,561.83-1,277,589.29-252,537.40

Finding the Fourth Proportional to 851,561.83, 1,277,589.29 and 252,537.40

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Solution

The fourth proportional to 851,561.83, 1,277,589.29 and 252,537.40 is: 378,879.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,561.83 : 1,277,589.29 = 252,537.40 : x
  2. Step 2: Convert to fraction form
    851,561.83/1,277,589.29 = 252,537.40/x
  3. Step 3: Cross multiply
    851,561.83x = 1,277,589.29 × 252,537.40
  4. Step 4: Simplify right side
    851,561.83x = 322,639,077,564.45
  5. Step 5: Solve for x
    x = 322,639,077,564.45/851,561.83
  6. Step 6: Final answer
    x = 378,879.21

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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.