Home / 691,147.70-1,036,647.85-241,877.15

Finding the Fourth Proportional to 691,147.70, 1,036,647.85 and 241,877.15

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Solution

The fourth proportional to 691,147.70, 1,036,647.85 and 241,877.15 is: 362,789.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,147.70 : 1,036,647.85 = 241,877.15 : x
  2. Step 2: Convert to fraction form
    691,147.70/1,036,647.85 = 241,877.15/x
  3. Step 3: Cross multiply
    691,147.70x = 1,036,647.85 × 241,877.15
  4. Step 4: Simplify right side
    691,147.70x = 250,741,427,511.63
  5. Step 5: Solve for x
    x = 250,741,427,511.63/691,147.70
  6. Step 6: Final answer
    x = 362,789.93

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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.