Home / 806,722.80-1,207,459.80-628,263.60

Finding the Fourth Proportional to 806,722.80, 1,207,459.80 and 628,263.60

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Solution

The fourth proportional to 806,722.80, 1,207,459.80 and 628,263.60 is: 940,351.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,722.80 : 1,207,459.80 = 628,263.60 : x
  2. Step 2: Convert to fraction form
    806,722.80/1,207,459.80 = 628,263.60/x
  3. Step 3: Cross multiply
    806,722.80x = 1,207,459.80 × 628,263.60
  4. Step 4: Simplify right side
    806,722.80x = 758,603,040,803.28
  5. Step 5: Solve for x
    x = 758,603,040,803.28/806,722.80
  6. Step 6: Final answer
    x = 940,351.56

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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.