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Finding the Fourth Proportional to 605,854.60, 908,004.30 and 368,945.80

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Solution

The fourth proportional to 605,854.60, 908,004.30 and 368,945.80 is: 552,945.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,854.60 : 908,004.30 = 368,945.80 : x
  2. Step 2: Convert to fraction form
    605,854.60/908,004.30 = 368,945.80/x
  3. Step 3: Cross multiply
    605,854.60x = 908,004.30 × 368,945.80
  4. Step 4: Simplify right side
    605,854.60x = 335,004,372,866.94
  5. Step 5: Solve for x
    x = 335,004,372,866.94/605,854.60
  6. Step 6: Final answer
    x = 552,945.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.