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Finding the Fourth Proportional to 699,591.78, 1,049,953.04 and 362,728.78

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Solution

The fourth proportional to 699,591.78, 1,049,953.04 and 362,728.78 is: 544,386.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,591.78 : 1,049,953.04 = 362,728.78 : x
  2. Step 2: Convert to fraction form
    699,591.78/1,049,953.04 = 362,728.78/x
  3. Step 3: Cross multiply
    699,591.78x = 1,049,953.04 × 362,728.78
  4. Step 4: Simplify right side
    699,591.78x = 380,848,183,538.43
  5. Step 5: Solve for x
    x = 380,848,183,538.43/699,591.78
  6. Step 6: Final answer
    x = 544,386.30

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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.