Home / 765,087.34-1,147,138.92-365,719.27

Finding the Fourth Proportional to 765,087.34, 1,147,138.92 and 365,719.27

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Solution

The fourth proportional to 765,087.34, 1,147,138.92 and 365,719.27 is: 548,343.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,087.34 : 1,147,138.92 = 365,719.27 : x
  2. Step 2: Convert to fraction form
    765,087.34/1,147,138.92 = 365,719.27/x
  3. Step 3: Cross multiply
    765,087.34x = 1,147,138.92 × 365,719.27
  4. Step 4: Simplify right side
    765,087.34x = 419,530,808,410.99
  5. Step 5: Solve for x
    x = 419,530,808,410.99/765,087.34
  6. Step 6: Final answer
    x = 548,343.68

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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.