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Finding the Fourth Proportional to 654,999.09, 903,892.36 and 364,606.05

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Solution

The fourth proportional to 654,999.09, 903,892.36 and 364,606.05 is: 503,152.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,999.09 : 903,892.36 = 364,606.05 : x
  2. Step 2: Convert to fraction form
    654,999.09/903,892.36 = 364,606.05/x
  3. Step 3: Cross multiply
    654,999.09x = 903,892.36 × 364,606.05
  4. Step 4: Simplify right side
    654,999.09x = 329,564,623,004.78
  5. Step 5: Solve for x
    x = 329,564,623,004.78/654,999.09
  6. Step 6: Final answer
    x = 503,152.80

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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.