Home / 442,578.39-663,965.16-262,827.24

Finding the Fourth Proportional to 442,578.39, 663,965.16 and 262,827.24

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Solution

The fourth proportional to 442,578.39, 663,965.16 and 262,827.24 is: 394,298.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,578.39 : 663,965.16 = 262,827.24 : x
  2. Step 2: Convert to fraction form
    442,578.39/663,965.16 = 262,827.24/x
  3. Step 3: Cross multiply
    442,578.39x = 663,965.16 × 262,827.24
  4. Step 4: Simplify right side
    442,578.39x = 174,508,130,458.96
  5. Step 5: Solve for x
    x = 174,508,130,458.96/442,578.39
  6. Step 6: Final answer
    x = 394,298.81

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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.