Home / 801,806.85-1,106,493.82-439,243.83

Finding the Fourth Proportional to 801,806.85, 1,106,493.82 and 439,243.83

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Solution

The fourth proportional to 801,806.85, 1,106,493.82 and 439,243.83 is: 606,156.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,806.85 : 1,106,493.82 = 439,243.83 : x
  2. Step 2: Convert to fraction form
    801,806.85/1,106,493.82 = 439,243.83/x
  3. Step 3: Cross multiply
    801,806.85x = 1,106,493.82 × 439,243.83
  4. Step 4: Simplify right side
    801,806.85x = 486,020,582,270.02
  5. Step 5: Solve for x
    x = 486,020,582,270.02/801,806.85
  6. Step 6: Final answer
    x = 606,156.69

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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.