Home / 679,677.81-1,019,450.76-206,367.27

Finding the Fourth Proportional to 679,677.81, 1,019,450.76 and 206,367.27

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Solution

The fourth proportional to 679,677.81, 1,019,450.76 and 206,367.27 is: 309,530.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,677.81 : 1,019,450.76 = 206,367.27 : x
  2. Step 2: Convert to fraction form
    679,677.81/1,019,450.76 = 206,367.27/x
  3. Step 3: Cross multiply
    679,677.81x = 1,019,450.76 × 206,367.27
  4. Step 4: Simplify right side
    679,677.81x = 210,381,270,240.63
  5. Step 5: Solve for x
    x = 210,381,270,240.63/679,677.81
  6. Step 6: Final answer
    x = 309,530.88

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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.