Home / 679,674.79-1,019,446.26-206,364.25

Finding the Fourth Proportional to 679,674.79, 1,019,446.26 and 206,364.25

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Solution

The fourth proportional to 679,674.79, 1,019,446.26 and 206,364.25 is: 309,526.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,674.79 : 1,019,446.26 = 206,364.25 : x
  2. Step 2: Convert to fraction form
    679,674.79/1,019,446.26 = 206,364.25/x
  3. Step 3: Cross multiply
    679,674.79x = 1,019,446.26 × 206,364.25
  4. Step 4: Simplify right side
    679,674.79x = 210,377,262,860.21
  5. Step 5: Solve for x
    x = 210,377,262,860.21/679,674.79
  6. Step 6: Final answer
    x = 309,526.36

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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.