Home / 479,021.40-719,004.83-254,381.20

Finding the Fourth Proportional to 479,021.40, 719,004.83 and 254,381.20

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Solution

The fourth proportional to 479,021.40, 719,004.83 and 254,381.20 is: 381,822.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,021.40 : 719,004.83 = 254,381.20 : x
  2. Step 2: Convert to fraction form
    479,021.40/719,004.83 = 254,381.20/x
  3. Step 3: Cross multiply
    479,021.40x = 719,004.83 × 254,381.20
  4. Step 4: Simplify right side
    479,021.40x = 182,901,308,391.78
  5. Step 5: Solve for x
    x = 182,901,308,391.78/479,021.40
  6. Step 6: Final answer
    x = 381,822.83

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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.