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Finding the Fourth Proportional to 404,331.79, 605,235.60 and 297,835.82

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Solution

The fourth proportional to 404,331.79, 605,235.60 and 297,835.82 is: 445,824.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,331.79 : 605,235.60 = 297,835.82 : x
  2. Step 2: Convert to fraction form
    404,331.79/605,235.60 = 297,835.82/x
  3. Step 3: Cross multiply
    404,331.79x = 605,235.60 × 297,835.82
  4. Step 4: Simplify right side
    404,331.79x = 180,260,841,219.19
  5. Step 5: Solve for x
    x = 180,260,841,219.19/404,331.79
  6. Step 6: Final answer
    x = 445,824.07

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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.