Home / 679,536.10-1,019,310.28-206,221.46

Finding the Fourth Proportional to 679,536.10, 1,019,310.28 and 206,221.46

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Solution

The fourth proportional to 679,536.10, 1,019,310.28 and 206,221.46 is: 309,334.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,536.10 : 1,019,310.28 = 206,221.46 : x
  2. Step 2: Convert to fraction form
    679,536.10/1,019,310.28 = 206,221.46/x
  3. Step 3: Cross multiply
    679,536.10x = 1,019,310.28 × 206,221.46
  4. Step 4: Simplify right side
    679,536.10x = 210,203,648,522.50
  5. Step 5: Solve for x
    x = 210,203,648,522.50/679,536.10
  6. Step 6: Final answer
    x = 309,334.04

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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.