Home / 782,184.06-1,079,196.81-442,645.02

Finding the Fourth Proportional to 782,184.06, 1,079,196.81 and 442,645.02

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Solution

The fourth proportional to 782,184.06, 1,079,196.81 and 442,645.02 is: 610,727.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,184.06 : 1,079,196.81 = 442,645.02 : x
  2. Step 2: Convert to fraction form
    782,184.06/1,079,196.81 = 442,645.02/x
  3. Step 3: Cross multiply
    782,184.06x = 1,079,196.81 × 442,645.02
  4. Step 4: Simplify right side
    782,184.06x = 477,701,093,546.39
  5. Step 5: Solve for x
    x = 477,701,093,546.39/782,184.06
  6. Step 6: Final answer
    x = 610,727.22

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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.