Home / 484,921.51-669,273.11-281,099.92

Finding the Fourth Proportional to 484,921.51, 669,273.11 and 281,099.92

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Solution

The fourth proportional to 484,921.51, 669,273.11 and 281,099.92 is: 387,965.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,921.51 : 669,273.11 = 281,099.92 : x
  2. Step 2: Convert to fraction form
    484,921.51/669,273.11 = 281,099.92/x
  3. Step 3: Cross multiply
    484,921.51x = 669,273.11 × 281,099.92
  4. Step 4: Simplify right side
    484,921.51x = 188,132,617,679.15
  5. Step 5: Solve for x
    x = 188,132,617,679.15/484,921.51
  6. Step 6: Final answer
    x = 387,965.09

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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.