Home / 769,808.72-1,062,317.18-425,635.58

Finding the Fourth Proportional to 769,808.72, 1,062,317.18 and 425,635.58

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Solution

The fourth proportional to 769,808.72, 1,062,317.18 and 425,635.58 is: 587,366.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,808.72 : 1,062,317.18 = 425,635.58 : x
  2. Step 2: Convert to fraction form
    769,808.72/1,062,317.18 = 425,635.58/x
  3. Step 3: Cross multiply
    769,808.72x = 1,062,317.18 × 425,635.58
  4. Step 4: Simplify right side
    769,808.72x = 452,159,981,613.50
  5. Step 5: Solve for x
    x = 452,159,981,613.50/769,808.72
  6. Step 6: Final answer
    x = 587,366.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.