Home / 801,920.11-1,106,650.65-439,367.15

Finding the Fourth Proportional to 801,920.11, 1,106,650.65 and 439,367.15

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Solution

The fourth proportional to 801,920.11, 1,106,650.65 and 439,367.15 is: 606,327.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,920.11 : 1,106,650.65 = 439,367.15 : x
  2. Step 2: Convert to fraction form
    801,920.11/1,106,650.65 = 439,367.15/x
  3. Step 3: Cross multiply
    801,920.11x = 1,106,650.65 × 439,367.15
  4. Step 4: Simplify right side
    801,920.11x = 486,225,942,136.15
  5. Step 5: Solve for x
    x = 486,225,942,136.15/801,920.11
  6. Step 6: Final answer
    x = 606,327.16

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