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Finding the Fourth Proportional to 395,381, 591,583.50 and 277,282.76

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Solution

The fourth proportional to 395,381, 591,583.50 and 277,282.76 is: 414,880.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,381 : 591,583.50 = 277,282.76 : x
  2. Step 2: Convert to fraction form
    395,381/591,583.50 = 277,282.76/x
  3. Step 3: Cross multiply
    395,381x = 591,583.50 × 277,282.76
  4. Step 4: Simplify right side
    395,381x = 164,035,905,650.46
  5. Step 5: Solve for x
    x = 164,035,905,650.46/395,381
  6. Step 6: Final answer
    x = 414,880.60

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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.