Home / 764,109.11-1,144,666.18-443,589.18

Finding the Fourth Proportional to 764,109.11, 1,144,666.18 and 443,589.18

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Solution

The fourth proportional to 764,109.11, 1,144,666.18 and 443,589.18 is: 664,514.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,109.11 : 1,144,666.18 = 443,589.18 : x
  2. Step 2: Convert to fraction form
    764,109.11/1,144,666.18 = 443,589.18/x
  3. Step 3: Cross multiply
    764,109.11x = 1,144,666.18 × 443,589.18
  4. Step 4: Simplify right side
    764,109.11x = 507,761,528,421.92
  5. Step 5: Solve for x
    x = 507,761,528,421.92/764,109.11
  6. Step 6: Final answer
    x = 664,514.43

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Double scale
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1.5x scale

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.