Home / 741,740.10-1,112,319-261,865.49

Finding the Fourth Proportional to 741,740.10, 1,112,319 and 261,865.49

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Solution

The fourth proportional to 741,740.10, 1,112,319 and 261,865.49 is: 392,695.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,740.10 : 1,112,319 = 261,865.49 : x
  2. Step 2: Convert to fraction form
    741,740.10/1,112,319 = 261,865.49/x
  3. Step 3: Cross multiply
    741,740.10x = 1,112,319 × 261,865.49
  4. Step 4: Simplify right side
    741,740.10x = 291,277,954,409.72
  5. Step 5: Solve for x
    x = 291,277,954,409.72/741,740.10
  6. Step 6: Final answer
    x = 392,695.44

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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.