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Finding the Fourth Proportional to 606,512.52, 836,455.55 and 485,609.72

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Solution

The fourth proportional to 606,512.52, 836,455.55 and 485,609.72 is: 669,715.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,512.52 : 836,455.55 = 485,609.72 : x
  2. Step 2: Convert to fraction form
    606,512.52/836,455.55 = 485,609.72/x
  3. Step 3: Cross multiply
    606,512.52x = 836,455.55 × 485,609.72
  4. Step 4: Simplify right side
    606,512.52x = 406,190,938,817.62
  5. Step 5: Solve for x
    x = 406,190,938,817.62/606,512.52
  6. Step 6: Final answer
    x = 669,715.67

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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.