Home / 693,825.66-1,040,904.12-220,511.88

Finding the Fourth Proportional to 693,825.66, 1,040,904.12 and 220,511.88

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Solution

The fourth proportional to 693,825.66, 1,040,904.12 and 220,511.88 is: 330,820.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,825.66 : 1,040,904.12 = 220,511.88 : x
  2. Step 2: Convert to fraction form
    693,825.66/1,040,904.12 = 220,511.88/x
  3. Step 3: Cross multiply
    693,825.66x = 1,040,904.12 × 220,511.88
  4. Step 4: Simplify right side
    693,825.66x = 229,531,724,400.95
  5. Step 5: Solve for x
    x = 229,531,724,400.95/693,825.66
  6. Step 6: Final answer
    x = 330,820.46

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1.5x scale

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.