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Finding the Fourth Proportional to 484,684.84, 668,635.32 and 341,523.64

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Solution

The fourth proportional to 484,684.84, 668,635.32 and 341,523.64 is: 471,140.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,684.84 : 668,635.32 = 341,523.64 : x
  2. Step 2: Convert to fraction form
    484,684.84/668,635.32 = 341,523.64/x
  3. Step 3: Cross multiply
    484,684.84x = 668,635.32 × 341,523.64
  4. Step 4: Simplify right side
    484,684.84x = 228,354,768,318.97
  5. Step 5: Solve for x
    x = 228,354,768,318.97/484,684.84
  6. Step 6: Final answer
    x = 471,140.73

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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.