Home / 680,463.14-1,020,542.47-200,588.56

Finding the Fourth Proportional to 680,463.14, 1,020,542.47 and 200,588.56

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Solution

The fourth proportional to 680,463.14, 1,020,542.47 and 200,588.56 is: 300,837.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,463.14 : 1,020,542.47 = 200,588.56 : x
  2. Step 2: Convert to fraction form
    680,463.14/1,020,542.47 = 200,588.56/x
  3. Step 3: Cross multiply
    680,463.14x = 1,020,542.47 × 200,588.56
  4. Step 4: Simplify right side
    680,463.14x = 204,709,139,373.43
  5. Step 5: Solve for x
    x = 204,709,139,373.43/680,463.14
  6. Step 6: Final answer
    x = 300,837.96

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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.