Home / 808,007.92-1,212,004.38-309,371.92

Finding the Fourth Proportional to 808,007.92, 1,212,004.38 and 309,371.92

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Solution

The fourth proportional to 808,007.92, 1,212,004.38 and 309,371.92 is: 464,055.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,007.92 : 1,212,004.38 = 309,371.92 : x
  2. Step 2: Convert to fraction form
    808,007.92/1,212,004.38 = 309,371.92/x
  3. Step 3: Cross multiply
    808,007.92x = 1,212,004.38 × 309,371.92
  4. Step 4: Simplify right side
    808,007.92x = 374,960,122,089.01
  5. Step 5: Solve for x
    x = 374,960,122,089.01/808,007.92
  6. Step 6: Final answer
    x = 464,055.01

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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.