Home / 404,688.18-557,950.84-331,822.80

Finding the Fourth Proportional to 404,688.18, 557,950.84 and 331,822.80

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Solution

The fourth proportional to 404,688.18, 557,950.84 and 331,822.80 is: 457,490.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,688.18 : 557,950.84 = 331,822.80 : x
  2. Step 2: Convert to fraction form
    404,688.18/557,950.84 = 331,822.80/x
  3. Step 3: Cross multiply
    404,688.18x = 557,950.84 × 331,822.80
  4. Step 4: Simplify right side
    404,688.18x = 185,140,809,991.15
  5. Step 5: Solve for x
    x = 185,140,809,991.15/404,688.18
  6. Step 6: Final answer
    x = 457,490.04

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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.