Home / 680,607.50-1,020,939.39-200,835.29

Finding the Fourth Proportional to 680,607.50, 1,020,939.39 and 200,835.29

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Solution

The fourth proportional to 680,607.50, 1,020,939.39 and 200,835.29 is: 301,261.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,607.50 : 1,020,939.39 = 200,835.29 : x
  2. Step 2: Convert to fraction form
    680,607.50/1,020,939.39 = 200,835.29/x
  3. Step 3: Cross multiply
    680,607.50x = 1,020,939.39 × 200,835.29
  4. Step 4: Simplify right side
    680,607.50x = 205,040,661,015.42
  5. Step 5: Solve for x
    x = 205,040,661,015.42/680,607.50
  6. Step 6: Final answer
    x = 301,261.24

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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.