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Finding the Fourth Proportional to 640,010.46, 959,250.24 and 284,622.96

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Solution

The fourth proportional to 640,010.46, 959,250.24 and 284,622.96 is: 426,594.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,010.46 : 959,250.24 = 284,622.96 : x
  2. Step 2: Convert to fraction form
    640,010.46/959,250.24 = 284,622.96/x
  3. Step 3: Cross multiply
    640,010.46x = 959,250.24 × 284,622.96
  4. Step 4: Simplify right side
    640,010.46x = 273,024,642,689.51
  5. Step 5: Solve for x
    x = 273,024,642,689.51/640,010.46
  6. Step 6: Final answer
    x = 426,594.03

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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.