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Finding the Fourth Proportional to 382,432.04, 575,924.67 and 333,107.90

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Solution

The fourth proportional to 382,432.04, 575,924.67 and 333,107.90 is: 501,644.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,432.04 : 575,924.67 = 333,107.90 : x
  2. Step 2: Convert to fraction form
    382,432.04/575,924.67 = 333,107.90/x
  3. Step 3: Cross multiply
    382,432.04x = 575,924.67 × 333,107.90
  4. Step 4: Simplify right side
    382,432.04x = 191,845,057,381.89
  5. Step 5: Solve for x
    x = 191,845,057,381.89/382,432.04
  6. Step 6: Final answer
    x = 501,644.83

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.