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Finding the Fourth Proportional to 653,680.67, 902,170.12 and 367,222.55

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Solution

The fourth proportional to 653,680.67, 902,170.12 and 367,222.55 is: 506,818.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,680.67 : 902,170.12 = 367,222.55 : x
  2. Step 2: Convert to fraction form
    653,680.67/902,170.12 = 367,222.55/x
  3. Step 3: Cross multiply
    653,680.67x = 902,170.12 × 367,222.55
  4. Step 4: Simplify right side
    653,680.67x = 331,297,212,000.21
  5. Step 5: Solve for x
    x = 331,297,212,000.21/653,680.67
  6. Step 6: Final answer
    x = 506,818.13

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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.