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Finding the Fourth Proportional to 484,771, 669,035.82 and 283,735.48

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Solution

The fourth proportional to 484,771, 669,035.82 and 283,735.48 is: 391,585.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,771 : 669,035.82 = 283,735.48 : x
  2. Step 2: Convert to fraction form
    484,771/669,035.82 = 283,735.48/x
  3. Step 3: Cross multiply
    484,771x = 669,035.82 × 283,735.48
  4. Step 4: Simplify right side
    484,771x = 189,829,199,524.89
  5. Step 5: Solve for x
    x = 189,829,199,524.89/484,771
  6. Step 6: Final answer
    x = 391,585.30

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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.