Home / 692,449.82-1,038,809.39-265,954.44

Finding the Fourth Proportional to 692,449.82, 1,038,809.39 and 265,954.44

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Solution

The fourth proportional to 692,449.82, 1,038,809.39 and 265,954.44 is: 398,983.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,449.82 : 1,038,809.39 = 265,954.44 : x
  2. Step 2: Convert to fraction form
    692,449.82/1,038,809.39 = 265,954.44/x
  3. Step 3: Cross multiply
    692,449.82x = 1,038,809.39 × 265,954.44
  4. Step 4: Simplify right side
    692,449.82x = 276,275,969,584.19
  5. Step 5: Solve for x
    x = 276,275,969,584.19/692,449.82
  6. Step 6: Final answer
    x = 398,983.38

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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.