Home / 700,920.88-1,051,468.78-274,401.62

Finding the Fourth Proportional to 700,920.88, 1,051,468.78 and 274,401.62

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Solution

The fourth proportional to 700,920.88, 1,051,468.78 and 274,401.62 is: 411,636.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,920.88 : 1,051,468.78 = 274,401.62 : x
  2. Step 2: Convert to fraction form
    700,920.88/1,051,468.78 = 274,401.62/x
  3. Step 3: Cross multiply
    700,920.88x = 1,051,468.78 × 274,401.62
  4. Step 4: Simplify right side
    700,920.88x = 288,524,736,611.42
  5. Step 5: Solve for x
    x = 288,524,736,611.42/700,920.88
  6. Step 6: Final answer
    x = 411,636.67

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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.