Home / 670,338.44-1,005,293.98-220,975.55

Finding the Fourth Proportional to 670,338.44, 1,005,293.98 and 220,975.55

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Solution

The fourth proportional to 670,338.44, 1,005,293.98 and 220,975.55 is: 331,392.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,338.44 : 1,005,293.98 = 220,975.55 : x
  2. Step 2: Convert to fraction form
    670,338.44/1,005,293.98 = 220,975.55/x
  3. Step 3: Cross multiply
    670,338.44x = 1,005,293.98 × 220,975.55
  4. Step 4: Simplify right side
    670,338.44x = 222,145,390,142.19
  5. Step 5: Solve for x
    x = 222,145,390,142.19/670,338.44
  6. Step 6: Final answer
    x = 331,392.89

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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.