Home / 484,927.47-669,220.67-270,067.55

Finding the Fourth Proportional to 484,927.47, 669,220.67 and 270,067.55

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Solution

The fourth proportional to 484,927.47, 669,220.67 and 270,067.55 is: 372,704.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,927.47 : 669,220.67 = 270,067.55 : x
  2. Step 2: Convert to fraction form
    484,927.47/669,220.67 = 270,067.55/x
  3. Step 3: Cross multiply
    484,927.47x = 669,220.67 × 270,067.55
  4. Step 4: Simplify right side
    484,927.47x = 180,734,782,059.82
  5. Step 5: Solve for x
    x = 180,734,782,059.82/484,927.47
  6. Step 6: Final answer
    x = 372,704.77

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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.