Home / 670,115.39-1,005,297.59-220,867.82

Finding the Fourth Proportional to 670,115.39, 1,005,297.59 and 220,867.82

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Solution

The fourth proportional to 670,115.39, 1,005,297.59 and 220,867.82 is: 331,342.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,115.39 : 1,005,297.59 = 220,867.82 : x
  2. Step 2: Convert to fraction form
    670,115.39/1,005,297.59 = 220,867.82/x
  3. Step 3: Cross multiply
    670,115.39x = 1,005,297.59 × 220,867.82
  4. Step 4: Simplify right side
    670,115.39x = 222,037,882,680.24
  5. Step 5: Solve for x
    x = 222,037,882,680.24/670,115.39
  6. Step 6: Final answer
    x = 331,342.76

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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.