Home / 945,475.80-1,417,997.40-271,551.78

Finding the Fourth Proportional to 945,475.80, 1,417,997.40 and 271,551.78

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Solution

The fourth proportional to 945,475.80, 1,417,997.40 and 271,551.78 is: 407,265.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,475.80 : 1,417,997.40 = 271,551.78 : x
  2. Step 2: Convert to fraction form
    945,475.80/1,417,997.40 = 271,551.78/x
  3. Step 3: Cross multiply
    945,475.80x = 1,417,997.40 × 271,551.78
  4. Step 4: Simplify right side
    945,475.80x = 385,059,718,005.37
  5. Step 5: Solve for x
    x = 385,059,718,005.37/945,475.80
  6. Step 6: Final answer
    x = 407,265.55

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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.