Home / 499,946.22-690,247.71-446,138.73

Finding the Fourth Proportional to 499,946.22, 690,247.71 and 446,138.73

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Solution

The fourth proportional to 499,946.22, 690,247.71 and 446,138.73 is: 615,958.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,946.22 : 690,247.71 = 446,138.73 : x
  2. Step 2: Convert to fraction form
    499,946.22/690,247.71 = 446,138.73/x
  3. Step 3: Cross multiply
    499,946.22x = 690,247.71 × 446,138.73
  4. Step 4: Simplify right side
    499,946.22x = 307,946,236,724.81
  5. Step 5: Solve for x
    x = 307,946,236,724.81/499,946.22
  6. Step 6: Final answer
    x = 615,958.73

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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.