Home / 484,845.71-669,087.05-281,014.85

Finding the Fourth Proportional to 484,845.71, 669,087.05 and 281,014.85

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Solution

The fourth proportional to 484,845.71, 669,087.05 and 281,014.85 is: 387,800.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,845.71 : 669,087.05 = 281,014.85 : x
  2. Step 2: Convert to fraction form
    484,845.71/669,087.05 = 281,014.85/x
  3. Step 3: Cross multiply
    484,845.71x = 669,087.05 × 281,014.85
  4. Step 4: Simplify right side
    484,845.71x = 188,023,397,260.34
  5. Step 5: Solve for x
    x = 188,023,397,260.34/484,845.71
  6. Step 6: Final answer
    x = 387,800.48

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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.