Home / 733,820.40-1,099,418.40-620,971.20

Finding the Fourth Proportional to 733,820.40, 1,099,418.40 and 620,971.20

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Solution

The fourth proportional to 733,820.40, 1,099,418.40 and 620,971.20 is: 930,346.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,820.40 : 1,099,418.40 = 620,971.20 : x
  2. Step 2: Convert to fraction form
    733,820.40/1,099,418.40 = 620,971.20/x
  3. Step 3: Cross multiply
    733,820.40x = 1,099,418.40 × 620,971.20
  4. Step 4: Simplify right side
    733,820.40x = 682,707,163,150.08
  5. Step 5: Solve for x
    x = 682,707,163,150.08/733,820.40
  6. Step 6: Final answer
    x = 930,346.39

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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.