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Finding the Fourth Proportional to 504,227.96, 695,834.70 and 274,785.31

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Solution

The fourth proportional to 504,227.96, 695,834.70 and 274,785.31 is: 379,203.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,227.96 : 695,834.70 = 274,785.31 : x
  2. Step 2: Convert to fraction form
    504,227.96/695,834.70 = 274,785.31/x
  3. Step 3: Cross multiply
    504,227.96x = 695,834.70 × 274,785.31
  4. Step 4: Simplify right side
    504,227.96x = 191,205,153,748.26
  5. Step 5: Solve for x
    x = 191,205,153,748.26/504,227.96
  6. Step 6: Final answer
    x = 379,203.79

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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.