Home / 827,428.72-1,241,214.33-228,389.98

Finding the Fourth Proportional to 827,428.72, 1,241,214.33 and 228,389.98

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Solution

The fourth proportional to 827,428.72, 1,241,214.33 and 228,389.98 is: 342,604.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,428.72 : 1,241,214.33 = 228,389.98 : x
  2. Step 2: Convert to fraction form
    827,428.72/1,241,214.33 = 228,389.98/x
  3. Step 3: Cross multiply
    827,428.72x = 1,241,214.33 × 228,389.98
  4. Step 4: Simplify right side
    827,428.72x = 283,480,916,004.41
  5. Step 5: Solve for x
    x = 283,480,916,004.41/827,428.72
  6. Step 6: Final answer
    x = 342,604.64

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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.