Home / 685,229.69-1,027,913.01-235,891.10

Finding the Fourth Proportional to 685,229.69, 1,027,913.01 and 235,891.10

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Solution

The fourth proportional to 685,229.69, 1,027,913.01 and 235,891.10 is: 353,860.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,229.69 : 1,027,913.01 = 235,891.10 : x
  2. Step 2: Convert to fraction form
    685,229.69/1,027,913.01 = 235,891.10/x
  3. Step 3: Cross multiply
    685,229.69x = 1,027,913.01 × 235,891.10
  4. Step 4: Simplify right side
    685,229.69x = 242,475,530,633.21
  5. Step 5: Solve for x
    x = 242,475,530,633.21/685,229.69
  6. Step 6: Final answer
    x = 353,860.22

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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.