Home / 679,674.74-1,019,446.29-206,364.20

Finding the Fourth Proportional to 679,674.74, 1,019,446.29 and 206,364.20

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Solution

The fourth proportional to 679,674.74, 1,019,446.29 and 206,364.20 is: 309,526.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,674.74 : 1,019,446.29 = 206,364.20 : x
  2. Step 2: Convert to fraction form
    679,674.74/1,019,446.29 = 206,364.20/x
  3. Step 3: Cross multiply
    679,674.74x = 1,019,446.29 × 206,364.20
  4. Step 4: Simplify right side
    679,674.74x = 210,377,212,981.59
  5. Step 5: Solve for x
    x = 210,377,212,981.59/679,674.74
  6. Step 6: Final answer
    x = 309,526.31

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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.