Home / 715,313.32-1,072,803.52-266,245.68

Finding the Fourth Proportional to 715,313.32, 1,072,803.52 and 266,245.68

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Solution

The fourth proportional to 715,313.32, 1,072,803.52 and 266,245.68 is: 399,306.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,313.32 : 1,072,803.52 = 266,245.68 : x
  2. Step 2: Convert to fraction form
    715,313.32/1,072,803.52 = 266,245.68/x
  3. Step 3: Cross multiply
    715,313.32x = 1,072,803.52 × 266,245.68
  4. Step 4: Simplify right side
    715,313.32x = 285,629,302,688.79
  5. Step 5: Solve for x
    x = 285,629,302,688.79/715,313.32
  6. Step 6: Final answer
    x = 399,306.56

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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.