Home / 827,428.41-1,241,213.86-228,389.67

Finding the Fourth Proportional to 827,428.41, 1,241,213.86 and 228,389.67

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Solution

The fourth proportional to 827,428.41, 1,241,213.86 and 228,389.67 is: 342,604.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,428.41 : 1,241,213.86 = 228,389.67 : x
  2. Step 2: Convert to fraction form
    827,428.41/1,241,213.86 = 228,389.67/x
  3. Step 3: Cross multiply
    827,428.41x = 1,241,213.86 × 228,389.67
  4. Step 4: Simplify right side
    827,428.41x = 283,480,421,352.77
  5. Step 5: Solve for x
    x = 283,480,421,352.77/827,428.41
  6. Step 6: Final answer
    x = 342,604.17

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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.