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Finding the Fourth Proportional to 658,693.36, 908,997.48 and 356,887.36

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Solution

The fourth proportional to 658,693.36, 908,997.48 and 356,887.36 is: 492,504.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,693.36 : 908,997.48 = 356,887.36 : x
  2. Step 2: Convert to fraction form
    658,693.36/908,997.48 = 356,887.36/x
  3. Step 3: Cross multiply
    658,693.36x = 908,997.48 × 356,887.36
  4. Step 4: Simplify right side
    658,693.36x = 324,409,710,883.85
  5. Step 5: Solve for x
    x = 324,409,710,883.85/658,693.36
  6. Step 6: Final answer
    x = 492,504.91

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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.