Home / 724,889.99-1,086,918.23-298,719.96

Finding the Fourth Proportional to 724,889.99, 1,086,918.23 and 298,719.96

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Solution

The fourth proportional to 724,889.99, 1,086,918.23 and 298,719.96 is: 447,908.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,889.99 : 1,086,918.23 = 298,719.96 : x
  2. Step 2: Convert to fraction form
    724,889.99/1,086,918.23 = 298,719.96/x
  3. Step 3: Cross multiply
    724,889.99x = 1,086,918.23 × 298,719.96
  4. Step 4: Simplify right side
    724,889.99x = 324,684,168,695.27
  5. Step 5: Solve for x
    x = 324,684,168,695.27/724,889.99
  6. Step 6: Final answer
    x = 447,908.20

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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.