Home / 681,562.70-1,022,528.12-208,235.15

Finding the Fourth Proportional to 681,562.70, 1,022,528.12 and 208,235.15

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Solution

The fourth proportional to 681,562.70, 1,022,528.12 and 208,235.15 is: 312,408.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,562.70 : 1,022,528.12 = 208,235.15 : x
  2. Step 2: Convert to fraction form
    681,562.70/1,022,528.12 = 208,235.15/x
  3. Step 3: Cross multiply
    681,562.70x = 1,022,528.12 × 208,235.15
  4. Step 4: Simplify right side
    681,562.70x = 212,926,295,299.41
  5. Step 5: Solve for x
    x = 212,926,295,299.41/681,562.70
  6. Step 6: Final answer
    x = 312,408.96

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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.