Home / 679,515.03-1,019,278.71-206,200.41

Finding the Fourth Proportional to 679,515.03, 1,019,278.71 and 206,200.41

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Solution

The fourth proportional to 679,515.03, 1,019,278.71 and 206,200.41 is: 309,302.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,515.03 : 1,019,278.71 = 206,200.41 : x
  2. Step 2: Convert to fraction form
    679,515.03/1,019,278.71 = 206,200.41/x
  3. Step 3: Cross multiply
    679,515.03x = 1,019,278.71 × 206,200.41
  4. Step 4: Simplify right side
    679,515.03x = 210,175,684,584.82
  5. Step 5: Solve for x
    x = 210,175,684,584.82/679,515.03
  6. Step 6: Final answer
    x = 309,302.48

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1.5x scale

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.