Home / 689,669.44-1,034,635.38-216,227.68

Finding the Fourth Proportional to 689,669.44, 1,034,635.38 and 216,227.68

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Solution

The fourth proportional to 689,669.44, 1,034,635.38 and 216,227.68 is: 324,382.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,669.44 : 1,034,635.38 = 216,227.68 : x
  2. Step 2: Convert to fraction form
    689,669.44/1,034,635.38 = 216,227.68/x
  3. Step 3: Cross multiply
    689,669.44x = 1,034,635.38 × 216,227.68
  4. Step 4: Simplify right side
    689,669.44x = 223,716,807,863.32
  5. Step 5: Solve for x
    x = 223,716,807,863.32/689,669.44
  6. Step 6: Final answer
    x = 324,382.66

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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.