Home / 712,542.69-1,068,561.94-206,998.50

Finding the Fourth Proportional to 712,542.69, 1,068,561.94 and 206,998.50

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Solution

The fourth proportional to 712,542.69, 1,068,561.94 and 206,998.50 is: 310,424.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,542.69 : 1,068,561.94 = 206,998.50 : x
  2. Step 2: Convert to fraction form
    712,542.69/1,068,561.94 = 206,998.50/x
  3. Step 3: Cross multiply
    712,542.69x = 1,068,561.94 × 206,998.50
  4. Step 4: Simplify right side
    712,542.69x = 221,190,722,614.82
  5. Step 5: Solve for x
    x = 221,190,722,614.82/712,542.69
  6. Step 6: Final answer
    x = 310,424.52

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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.