Home / 741,825.69-1,112,705.08-309,365.07

Finding the Fourth Proportional to 741,825.69, 1,112,705.08 and 309,365.07

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Solution

The fourth proportional to 741,825.69, 1,112,705.08 and 309,365.07 is: 464,033.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,825.69 : 1,112,705.08 = 309,365.07 : x
  2. Step 2: Convert to fraction form
    741,825.69/1,112,705.08 = 309,365.07/x
  3. Step 3: Cross multiply
    741,825.69x = 1,112,705.08 × 309,365.07
  4. Step 4: Simplify right side
    741,825.69x = 344,232,084,963.56
  5. Step 5: Solve for x
    x = 344,232,084,963.56/741,825.69
  6. Step 6: Final answer
    x = 464,033.65

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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.