Home / 484,945.58-669,245.58-270,085.64

Finding the Fourth Proportional to 484,945.58, 669,245.58 and 270,085.64

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Solution

The fourth proportional to 484,945.58, 669,245.58 and 270,085.64 is: 372,729.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,945.58 : 669,245.58 = 270,085.64 : x
  2. Step 2: Convert to fraction form
    484,945.58/669,245.58 = 270,085.64/x
  3. Step 3: Cross multiply
    484,945.58x = 669,245.58 × 270,085.64
  4. Step 4: Simplify right side
    484,945.58x = 180,753,620,791.47
  5. Step 5: Solve for x
    x = 180,753,620,791.47/484,945.58
  6. Step 6: Final answer
    x = 372,729.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.