Home / 484,826.09-726,247.70-395,188.25

Finding the Fourth Proportional to 484,826.09, 726,247.70 and 395,188.25

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Solution

The fourth proportional to 484,826.09, 726,247.70 and 395,188.25 is: 591,974.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,826.09 : 726,247.70 = 395,188.25 : x
  2. Step 2: Convert to fraction form
    484,826.09/726,247.70 = 395,188.25/x
  3. Step 3: Cross multiply
    484,826.09x = 726,247.70 × 395,188.25
  4. Step 4: Simplify right side
    484,826.09x = 287,004,555,653.58
  5. Step 5: Solve for x
    x = 287,004,555,653.58/484,826.09
  6. Step 6: Final answer
    x = 591,974.24

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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.