Home / 532,439.08-734,767.44-290,723.72

Finding the Fourth Proportional to 532,439.08, 734,767.44 and 290,723.72

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Solution

The fourth proportional to 532,439.08, 734,767.44 and 290,723.72 is: 401,199.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,439.08 : 734,767.44 = 290,723.72 : x
  2. Step 2: Convert to fraction form
    532,439.08/734,767.44 = 290,723.72/x
  3. Step 3: Cross multiply
    532,439.08x = 734,767.44 × 290,723.72
  4. Step 4: Simplify right side
    532,439.08x = 213,614,323,491.68
  5. Step 5: Solve for x
    x = 213,614,323,491.68/532,439.08
  6. Step 6: Final answer
    x = 401,199.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.