Home / 792,721.84-1,189,206.44-260,121.64

Finding the Fourth Proportional to 792,721.84, 1,189,206.44 and 260,121.64

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Solution

The fourth proportional to 792,721.84, 1,189,206.44 and 260,121.64 is: 390,223.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,721.84 : 1,189,206.44 = 260,121.64 : x
  2. Step 2: Convert to fraction form
    792,721.84/1,189,206.44 = 260,121.64/x
  3. Step 3: Cross multiply
    792,721.84x = 1,189,206.44 × 260,121.64
  4. Step 4: Simplify right side
    792,721.84x = 309,338,329,471.36
  5. Step 5: Solve for x
    x = 309,338,329,471.36/792,721.84
  6. Step 6: Final answer
    x = 390,223.04

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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.