Home / 484,941.82-669,219.26-281,110.79

Finding the Fourth Proportional to 484,941.82, 669,219.26 and 281,110.79

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Solution

The fourth proportional to 484,941.82, 669,219.26 and 281,110.79 is: 387,932.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,941.82 : 669,219.26 = 281,110.79 : x
  2. Step 2: Convert to fraction form
    484,941.82/669,219.26 = 281,110.79/x
  3. Step 3: Cross multiply
    484,941.82x = 669,219.26 × 281,110.79
  4. Step 4: Simplify right side
    484,941.82x = 188,124,754,861.82
  5. Step 5: Solve for x
    x = 188,124,754,861.82/484,941.82
  6. Step 6: Final answer
    x = 387,932.63

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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.