Home / 418,439.28-577,446.59-227,452.67

Finding the Fourth Proportional to 418,439.28, 577,446.59 and 227,452.67

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Solution

The fourth proportional to 418,439.28, 577,446.59 and 227,452.67 is: 313,884.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,439.28 : 577,446.59 = 227,452.67 : x
  2. Step 2: Convert to fraction form
    418,439.28/577,446.59 = 227,452.67/x
  3. Step 3: Cross multiply
    418,439.28x = 577,446.59 × 227,452.67
  4. Step 4: Simplify right side
    418,439.28x = 131,341,770,493.44
  5. Step 5: Solve for x
    x = 131,341,770,493.44/418,439.28
  6. Step 6: Final answer
    x = 313,884.89

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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.