Home / 679,714.11-1,019,504.93-206,403.57

Finding the Fourth Proportional to 679,714.11, 1,019,504.93 and 206,403.57

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Solution

The fourth proportional to 679,714.11, 1,019,504.93 and 206,403.57 is: 309,585.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,714.11 : 1,019,504.93 = 206,403.57 : x
  2. Step 2: Convert to fraction form
    679,714.11/1,019,504.93 = 206,403.57/x
  3. Step 3: Cross multiply
    679,714.11x = 1,019,504.93 × 206,403.57
  4. Step 4: Simplify right side
    679,714.11x = 210,429,456,152.58
  5. Step 5: Solve for x
    x = 210,429,456,152.58/679,714.11
  6. Step 6: Final answer
    x = 309,585.24

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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.