Home / 670,115.13-1,005,297.22-220,867.57

Finding the Fourth Proportional to 670,115.13, 1,005,297.22 and 220,867.57

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Solution

The fourth proportional to 670,115.13, 1,005,297.22 and 220,867.57 is: 331,342.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,115.13 : 1,005,297.22 = 220,867.57 : x
  2. Step 2: Convert to fraction form
    670,115.13/1,005,297.22 = 220,867.57/x
  3. Step 3: Cross multiply
    670,115.13x = 1,005,297.22 × 220,867.57
  4. Step 4: Simplify right side
    670,115.13x = 222,037,549,082.67
  5. Step 5: Solve for x
    x = 222,037,549,082.67/670,115.13
  6. Step 6: Final answer
    x = 331,342.39

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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.