Home / 670,119.21-1,005,303.33-220,871.61

Finding the Fourth Proportional to 670,119.21, 1,005,303.33 and 220,871.61

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Solution

The fourth proportional to 670,119.21, 1,005,303.33 and 220,871.61 is: 331,348.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,119.21 : 1,005,303.33 = 220,871.61 : x
  2. Step 2: Convert to fraction form
    670,119.21/1,005,303.33 = 220,871.61/x
  3. Step 3: Cross multiply
    670,119.21x = 1,005,303.33 × 220,871.61
  4. Step 4: Simplify right side
    670,119.21x = 222,042,965,035.46
  5. Step 5: Solve for x
    x = 222,042,965,035.46/670,119.21
  6. Step 6: Final answer
    x = 331,348.46

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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.