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Finding the Fourth Proportional to 610,687.45, 915,588.31 and 410,511.34

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Solution

The fourth proportional to 610,687.45, 915,588.31 and 410,511.34 is: 615,469.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,687.45 : 915,588.31 = 410,511.34 : x
  2. Step 2: Convert to fraction form
    610,687.45/915,588.31 = 410,511.34/x
  3. Step 3: Cross multiply
    610,687.45x = 915,588.31 × 410,511.34
  4. Step 4: Simplify right side
    610,687.45x = 375,859,384,026.44
  5. Step 5: Solve for x
    x = 375,859,384,026.44/610,687.45
  6. Step 6: Final answer
    x = 615,469.31

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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.