Home / 863,281.28-1,295,040.09-294,509.67

Finding the Fourth Proportional to 863,281.28, 1,295,040.09 and 294,509.67

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Solution

The fourth proportional to 863,281.28, 1,295,040.09 and 294,509.67 is: 441,804.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,281.28 : 1,295,040.09 = 294,509.67 : x
  2. Step 2: Convert to fraction form
    863,281.28/1,295,040.09 = 294,509.67/x
  3. Step 3: Cross multiply
    863,281.28x = 1,295,040.09 × 294,509.67
  4. Step 4: Simplify right side
    863,281.28x = 381,401,823,067.47
  5. Step 5: Solve for x
    x = 381,401,823,067.47/863,281.28
  6. Step 6: Final answer
    x = 441,804.81

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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.