Home / 679,514.91-1,019,278.52-206,200.28

Finding the Fourth Proportional to 679,514.91, 1,019,278.52 and 206,200.28

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Solution

The fourth proportional to 679,514.91, 1,019,278.52 and 206,200.28 is: 309,302.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,514.91 : 1,019,278.52 = 206,200.28 : x
  2. Step 2: Convert to fraction form
    679,514.91/1,019,278.52 = 206,200.28/x
  3. Step 3: Cross multiply
    679,514.91x = 1,019,278.52 × 206,200.28
  4. Step 4: Simplify right side
    679,514.91x = 210,175,518,512.43
  5. Step 5: Solve for x
    x = 210,175,518,512.43/679,514.91
  6. Step 6: Final answer
    x = 309,302.29

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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.