Home / 679,373.10-1,019,062.08-206,062.56

Finding the Fourth Proportional to 679,373.10, 1,019,062.08 and 206,062.56

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Solution

The fourth proportional to 679,373.10, 1,019,062.08 and 206,062.56 is: 309,094.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,373.10 : 1,019,062.08 = 206,062.56 : x
  2. Step 2: Convert to fraction form
    679,373.10/1,019,062.08 = 206,062.56/x
  3. Step 3: Cross multiply
    679,373.10x = 1,019,062.08 × 206,062.56
  4. Step 4: Simplify right side
    679,373.10x = 209,990,541,003.73
  5. Step 5: Solve for x
    x = 209,990,541,003.73/679,373.10
  6. Step 6: Final answer
    x = 309,094.58

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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.