Home / 648,067.20-971,323.20-332,361.60

Finding the Fourth Proportional to 648,067.20, 971,323.20 and 332,361.60

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Solution

The fourth proportional to 648,067.20, 971,323.20 and 332,361.60 is: 498,143.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,067.20 : 971,323.20 = 332,361.60 : x
  2. Step 2: Convert to fraction form
    648,067.20/971,323.20 = 332,361.60/x
  3. Step 3: Cross multiply
    648,067.20x = 971,323.20 × 332,361.60
  4. Step 4: Simplify right side
    648,067.20x = 322,830,532,869.12
  5. Step 5: Solve for x
    x = 322,830,532,869.12/648,067.20
  6. Step 6: Final answer
    x = 498,143.61

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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.