Home / 806,260.67-1,112,611.82-443,650.62

Finding the Fourth Proportional to 806,260.67, 1,112,611.82 and 443,650.62

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Solution

The fourth proportional to 806,260.67, 1,112,611.82 and 443,650.62 is: 612,222.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,260.67 : 1,112,611.82 = 443,650.62 : x
  2. Step 2: Convert to fraction form
    806,260.67/1,112,611.82 = 443,650.62/x
  3. Step 3: Cross multiply
    806,260.67x = 1,112,611.82 × 443,650.62
  4. Step 4: Simplify right side
    806,260.67x = 493,610,921,544.08
  5. Step 5: Solve for x
    x = 493,610,921,544.08/806,260.67
  6. Step 6: Final answer
    x = 612,222.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.