Home / 679,702.73-1,019,488.01-206,392.19

Finding the Fourth Proportional to 679,702.73, 1,019,488.01 and 206,392.19

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Solution

The fourth proportional to 679,702.73, 1,019,488.01 and 206,392.19 is: 309,568.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,702.73 : 1,019,488.01 = 206,392.19 : x
  2. Step 2: Convert to fraction form
    679,702.73/1,019,488.01 = 206,392.19/x
  3. Step 3: Cross multiply
    679,702.73x = 1,019,488.01 × 206,392.19
  4. Step 4: Simplify right side
    679,702.73x = 210,414,356,933.24
  5. Step 5: Solve for x
    x = 210,414,356,933.24/679,702.73
  6. Step 6: Final answer
    x = 309,568.21

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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.