Home / 786,986.60-1,179,896.70-337,339.40

Finding the Fourth Proportional to 786,986.60, 1,179,896.70 and 337,339.40

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Solution

The fourth proportional to 786,986.60, 1,179,896.70 and 337,339.40 is: 505,759.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,986.60 : 1,179,896.70 = 337,339.40 : x
  2. Step 2: Convert to fraction form
    786,986.60/1,179,896.70 = 337,339.40/x
  3. Step 3: Cross multiply
    786,986.60x = 1,179,896.70 × 337,339.40
  4. Step 4: Simplify right side
    786,986.60x = 398,025,644,839.98
  5. Step 5: Solve for x
    x = 398,025,644,839.98/786,986.60
  6. Step 6: Final answer
    x = 505,759.11

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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.