Home / 578,962.91-798,960.06-324,323.21

Finding the Fourth Proportional to 578,962.91, 798,960.06 and 324,323.21

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Solution

The fourth proportional to 578,962.91, 798,960.06 and 324,323.21 is: 447,561.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,962.91 : 798,960.06 = 324,323.21 : x
  2. Step 2: Convert to fraction form
    578,962.91/798,960.06 = 324,323.21/x
  3. Step 3: Cross multiply
    578,962.91x = 798,960.06 × 324,323.21
  4. Step 4: Simplify right side
    578,962.91x = 259,121,293,318.39
  5. Step 5: Solve for x
    x = 259,121,293,318.39/578,962.91
  6. Step 6: Final answer
    x = 447,561.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.