Home / 676,440.72-1,014,685.68-227,176.20

Finding the Fourth Proportional to 676,440.72, 1,014,685.68 and 227,176.20

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Solution

The fourth proportional to 676,440.72, 1,014,685.68 and 227,176.20 is: 340,772.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,440.72 : 1,014,685.68 = 227,176.20 : x
  2. Step 2: Convert to fraction form
    676,440.72/1,014,685.68 = 227,176.20/x
  3. Step 3: Cross multiply
    676,440.72x = 1,014,685.68 × 227,176.20
  4. Step 4: Simplify right side
    676,440.72x = 230,512,436,976.82
  5. Step 5: Solve for x
    x = 230,512,436,976.82/676,440.72
  6. Step 6: Final answer
    x = 340,772.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.