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Finding the Fourth Proportional to 436,846.05, 603,033.48 and 293,689.08

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Solution

The fourth proportional to 436,846.05, 603,033.48 and 293,689.08 is: 405,415.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,846.05 : 603,033.48 = 293,689.08 : x
  2. Step 2: Convert to fraction form
    436,846.05/603,033.48 = 293,689.08/x
  3. Step 3: Cross multiply
    436,846.05x = 603,033.48 × 293,689.08
  4. Step 4: Simplify right side
    436,846.05x = 177,104,347,950.40
  5. Step 5: Solve for x
    x = 177,104,347,950.40/436,846.05
  6. Step 6: Final answer
    x = 405,415.93

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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.