Home / 978,797.49-1,468,193.27-268,826.16

Finding the Fourth Proportional to 978,797.49, 1,468,193.27 and 268,826.16

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Solution

The fourth proportional to 978,797.49, 1,468,193.27 and 268,826.16 is: 403,238.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,797.49 : 1,468,193.27 = 268,826.16 : x
  2. Step 2: Convert to fraction form
    978,797.49/1,468,193.27 = 268,826.16/x
  3. Step 3: Cross multiply
    978,797.49x = 1,468,193.27 × 268,826.16
  4. Step 4: Simplify right side
    978,797.49x = 394,688,757,567.81
  5. Step 5: Solve for x
    x = 394,688,757,567.81/978,797.49
  6. Step 6: Final answer
    x = 403,238.42

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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.