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Finding the Fourth Proportional to 645,094.44, 967,758.26 and 265,804.17

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Solution

The fourth proportional to 645,094.44, 967,758.26 and 265,804.17 is: 398,754.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,094.44 : 967,758.26 = 265,804.17 : x
  2. Step 2: Convert to fraction form
    645,094.44/967,758.26 = 265,804.17/x
  3. Step 3: Cross multiply
    645,094.44x = 967,758.26 × 265,804.17
  4. Step 4: Simplify right side
    645,094.44x = 257,234,179,730.92
  5. Step 5: Solve for x
    x = 257,234,179,730.92/645,094.44
  6. Step 6: Final answer
    x = 398,754.30

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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.