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Finding the Fourth Proportional to 504,134.34, 695,696.62 and 274,693.51

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Solution

The fourth proportional to 504,134.34, 695,696.62 and 274,693.51 is: 379,072.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,134.34 : 695,696.62 = 274,693.51 : x
  2. Step 2: Convert to fraction form
    504,134.34/695,696.62 = 274,693.51/x
  3. Step 3: Cross multiply
    504,134.34x = 695,696.62 × 274,693.51
  4. Step 4: Simplify right side
    504,134.34x = 191,103,346,442.94
  5. Step 5: Solve for x
    x = 191,103,346,442.94/504,134.34
  6. Step 6: Final answer
    x = 379,072.27

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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.