Home / 744,912.50-1,117,379-212,433.59

Finding the Fourth Proportional to 744,912.50, 1,117,379 and 212,433.59

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Solution

The fourth proportional to 744,912.50, 1,117,379 and 212,433.59 is: 318,653.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,912.50 : 1,117,379 = 212,433.59 : x
  2. Step 2: Convert to fraction form
    744,912.50/1,117,379 = 212,433.59/x
  3. Step 3: Cross multiply
    744,912.50x = 1,117,379 × 212,433.59
  4. Step 4: Simplify right side
    744,912.50x = 237,368,832,360.61
  5. Step 5: Solve for x
    x = 237,368,832,360.61/744,912.50
  6. Step 6: Final answer
    x = 318,653.31

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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.