Home / 484,235.20-726,352.80-372,131.20

Finding the Fourth Proportional to 484,235.20, 726,352.80 and 372,131.20

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Solution

The fourth proportional to 484,235.20, 726,352.80 and 372,131.20 is: 558,196.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,235.20 : 726,352.80 = 372,131.20 : x
  2. Step 2: Convert to fraction form
    484,235.20/726,352.80 = 372,131.20/x
  3. Step 3: Cross multiply
    484,235.20x = 726,352.80 × 372,131.20
  4. Step 4: Simplify right side
    484,235.20x = 270,298,539,087.36
  5. Step 5: Solve for x
    x = 270,298,539,087.36/484,235.20
  6. Step 6: Final answer
    x = 558,196.80

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Similar ratio
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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.