Home / 719,560.87-1,079,144.26-270,246.98

Finding the Fourth Proportional to 719,560.87, 1,079,144.26 and 270,246.98

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Solution

The fourth proportional to 719,560.87, 1,079,144.26 and 270,246.98 is: 405,296.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,560.87 : 1,079,144.26 = 270,246.98 : x
  2. Step 2: Convert to fraction form
    719,560.87/1,079,144.26 = 270,246.98/x
  3. Step 3: Cross multiply
    719,560.87x = 1,079,144.26 × 270,246.98
  4. Step 4: Simplify right side
    719,560.87x = 291,635,477,249.34
  5. Step 5: Solve for x
    x = 291,635,477,249.34/719,560.87
  6. Step 6: Final answer
    x = 405,296.47

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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.