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Finding the Fourth Proportional to 606,211.80, 836,622.09 and 334,332.87

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Solution

The fourth proportional to 606,211.80, 836,622.09 and 334,332.87 is: 461,406.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,211.80 : 836,622.09 = 334,332.87 : x
  2. Step 2: Convert to fraction form
    606,211.80/836,622.09 = 334,332.87/x
  3. Step 3: Cross multiply
    606,211.80x = 836,622.09 × 334,332.87
  4. Step 4: Simplify right side
    606,211.80x = 279,710,264,455.10
  5. Step 5: Solve for x
    x = 279,710,264,455.10/606,211.80
  6. Step 6: Final answer
    x = 461,406.83

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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.