Home / 863,715.80-1,295,536.28-295,147.64

Finding the Fourth Proportional to 863,715.80, 1,295,536.28 and 295,147.64

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Solution

The fourth proportional to 863,715.80, 1,295,536.28 and 295,147.64 is: 442,708.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,715.80 : 1,295,536.28 = 295,147.64 : x
  2. Step 2: Convert to fraction form
    863,715.80/1,295,536.28 = 295,147.64/x
  3. Step 3: Cross multiply
    863,715.80x = 1,295,536.28 × 295,147.64
  4. Step 4: Simplify right side
    863,715.80x = 382,374,475,576.38
  5. Step 5: Solve for x
    x = 382,374,475,576.38/863,715.80
  6. Step 6: Final answer
    x = 442,708.67

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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.