Home / 652,664.49-978,975.19-268,400.04

Finding the Fourth Proportional to 652,664.49, 978,975.19 and 268,400.04

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Solution

The fourth proportional to 652,664.49, 978,975.19 and 268,400.04 is: 402,591.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,664.49 : 978,975.19 = 268,400.04 : x
  2. Step 2: Convert to fraction form
    652,664.49/978,975.19 = 268,400.04/x
  3. Step 3: Cross multiply
    652,664.49x = 978,975.19 × 268,400.04
  4. Step 4: Simplify right side
    652,664.49x = 262,756,980,155.01
  5. Step 5: Solve for x
    x = 262,756,980,155.01/652,664.49
  6. Step 6: Final answer
    x = 402,591.20

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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.