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Finding the Fourth Proportional to 645,473.94, 967,543.86 and 246,007.44

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Solution

The fourth proportional to 645,473.94, 967,543.86 and 246,007.44 is: 368,756.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,473.94 : 967,543.86 = 246,007.44 : x
  2. Step 2: Convert to fraction form
    645,473.94/967,543.86 = 246,007.44/x
  3. Step 3: Cross multiply
    645,473.94x = 967,543.86 × 246,007.44
  4. Step 4: Simplify right side
    645,473.94x = 238,022,988,086.32
  5. Step 5: Solve for x
    x = 238,022,988,086.32/645,473.94
  6. Step 6: Final answer
    x = 368,756.93

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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.