Home / 374,664.80-561,997.20-331,362.20

Finding the Fourth Proportional to 374,664.80, 561,997.20 and 331,362.20

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Solution

The fourth proportional to 374,664.80, 561,997.20 and 331,362.20 is: 497,043.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,664.80 : 561,997.20 = 331,362.20 : x
  2. Step 2: Convert to fraction form
    374,664.80/561,997.20 = 331,362.20/x
  3. Step 3: Cross multiply
    374,664.80x = 561,997.20 × 331,362.20
  4. Step 4: Simplify right side
    374,664.80x = 186,224,628,585.84
  5. Step 5: Solve for x
    x = 186,224,628,585.84/374,664.80
  6. Step 6: Final answer
    x = 497,043.30

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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.