Home / 421,936.80-582,157.64-240,582.59

Finding the Fourth Proportional to 421,936.80, 582,157.64 and 240,582.59

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Solution

The fourth proportional to 421,936.80, 582,157.64 and 240,582.59 is: 331,938.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,936.80 : 582,157.64 = 240,582.59 : x
  2. Step 2: Convert to fraction form
    421,936.80/582,157.64 = 240,582.59/x
  3. Step 3: Cross multiply
    421,936.80x = 582,157.64 × 240,582.59
  4. Step 4: Simplify right side
    421,936.80x = 140,056,991,616.58
  5. Step 5: Solve for x
    x = 140,056,991,616.58/421,936.80
  6. Step 6: Final answer
    x = 331,938.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.