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Finding the Fourth Proportional to 606,141.24, 909,211.90 and 336,434.94

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Solution

The fourth proportional to 606,141.24, 909,211.90 and 336,434.94 is: 504,652.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,141.24 : 909,211.90 = 336,434.94 : x
  2. Step 2: Convert to fraction form
    606,141.24/909,211.90 = 336,434.94/x
  3. Step 3: Cross multiply
    606,141.24x = 909,211.90 × 336,434.94
  4. Step 4: Simplify right side
    606,141.24x = 305,890,651,023.79
  5. Step 5: Solve for x
    x = 305,890,651,023.79/606,141.24
  6. Step 6: Final answer
    x = 504,652.43

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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.