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Finding the Fourth Proportional to 626,659.34, 865,014.54 and 372,010.73

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Solution

The fourth proportional to 626,659.34, 865,014.54 and 372,010.73 is: 513,508.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,659.34 : 865,014.54 = 372,010.73 : x
  2. Step 2: Convert to fraction form
    626,659.34/865,014.54 = 372,010.73/x
  3. Step 3: Cross multiply
    626,659.34x = 865,014.54 × 372,010.73
  4. Step 4: Simplify right side
    626,659.34x = 321,794,690,486.01
  5. Step 5: Solve for x
    x = 321,794,690,486.01/626,659.34
  6. Step 6: Final answer
    x = 513,508.17

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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.