Home / 480,664.40-720,933.94-125,705.80

Finding the Fourth Proportional to 480,664.40, 720,933.94 and 125,705.80

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Solution

The fourth proportional to 480,664.40, 720,933.94 and 125,705.80 is: 188,542.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,664.40 : 720,933.94 = 125,705.80 : x
  2. Step 2: Convert to fraction form
    480,664.40/720,933.94 = 125,705.80/x
  3. Step 3: Cross multiply
    480,664.40x = 720,933.94 × 125,705.80
  4. Step 4: Simplify right side
    480,664.40x = 90,625,577,674.85
  5. Step 5: Solve for x
    x = 90,625,577,674.85/480,664.40
  6. Step 6: Final answer
    x = 188,542.31

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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.