Home / 741,845.33-1,112,612.27-209,241.80

Finding the Fourth Proportional to 741,845.33, 1,112,612.27 and 209,241.80

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Solution

The fourth proportional to 741,845.33, 1,112,612.27 and 209,241.80 is: 313,818.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,845.33 : 1,112,612.27 = 209,241.80 : x
  2. Step 2: Convert to fraction form
    741,845.33/1,112,612.27 = 209,241.80/x
  3. Step 3: Cross multiply
    741,845.33x = 1,112,612.27 × 209,241.80
  4. Step 4: Simplify right side
    741,845.33x = 232,804,989,036.93
  5. Step 5: Solve for x
    x = 232,804,989,036.93/741,845.33
  6. Step 6: Final answer
    x = 313,818.77

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1.5x scale

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.