Home / 670,066.08-1,005,222.24-220,813.44

Finding the Fourth Proportional to 670,066.08, 1,005,222.24 and 220,813.44

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Solution

The fourth proportional to 670,066.08, 1,005,222.24 and 220,813.44 is: 331,260.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,066.08 : 1,005,222.24 = 220,813.44 : x
  2. Step 2: Convert to fraction form
    670,066.08/1,005,222.24 = 220,813.44/x
  3. Step 3: Cross multiply
    670,066.08x = 1,005,222.24 × 220,813.44
  4. Step 4: Simplify right side
    670,066.08x = 221,966,580,778.91
  5. Step 5: Solve for x
    x = 221,966,580,778.91/670,066.08
  6. Step 6: Final answer
    x = 331,260.73

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Similar ratio
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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.