Home / 863,421.45-1,295,401.92-294,816.03

Finding the Fourth Proportional to 863,421.45, 1,295,401.92 and 294,816.03

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Solution

The fourth proportional to 863,421.45, 1,295,401.92 and 294,816.03 is: 442,316.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,421.45 : 1,295,401.92 = 294,816.03 : x
  2. Step 2: Convert to fraction form
    863,421.45/1,295,401.92 = 294,816.03/x
  3. Step 3: Cross multiply
    863,421.45x = 1,295,401.92 × 294,816.03
  4. Step 4: Simplify right side
    863,421.45x = 381,905,251,308.78
  5. Step 5: Solve for x
    x = 381,905,251,308.78/863,421.45
  6. Step 6: Final answer
    x = 442,316.15

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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.