Home / 652,664.61-978,975.38-268,400.16

Finding the Fourth Proportional to 652,664.61, 978,975.38 and 268,400.16

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Solution

The fourth proportional to 652,664.61, 978,975.38 and 268,400.16 is: 402,591.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,664.61 : 978,975.38 = 268,400.16 : x
  2. Step 2: Convert to fraction form
    652,664.61/978,975.38 = 268,400.16/x
  3. Step 3: Cross multiply
    652,664.61x = 978,975.38 × 268,400.16
  4. Step 4: Simplify right side
    652,664.61x = 262,757,149,299.06
  5. Step 5: Solve for x
    x = 262,757,149,299.06/652,664.61
  6. Step 6: Final answer
    x = 402,591.39

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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.