Home / 433,380.44-649,480.17-208,724.51

Finding the Fourth Proportional to 433,380.44, 649,480.17 and 208,724.51

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Solution

The fourth proportional to 433,380.44, 649,480.17 and 208,724.51 is: 312,802.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,380.44 : 649,480.17 = 208,724.51 : x
  2. Step 2: Convert to fraction form
    433,380.44/649,480.17 = 208,724.51/x
  3. Step 3: Cross multiply
    433,380.44x = 649,480.17 × 208,724.51
  4. Step 4: Simplify right side
    433,380.44x = 135,562,432,644.38
  5. Step 5: Solve for x
    x = 135,562,432,644.38/433,380.44
  6. Step 6: Final answer
    x = 312,802.38

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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.