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Finding the Fourth Proportional to 911,097.77, 1,366,187.88 and 303,670.94

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Solution

The fourth proportional to 911,097.77, 1,366,187.88 and 303,670.94 is: 455,353.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,097.77 : 1,366,187.88 = 303,670.94 : x
  2. Step 2: Convert to fraction form
    911,097.77/1,366,187.88 = 303,670.94/x
  3. Step 3: Cross multiply
    911,097.77x = 1,366,187.88 × 303,670.94
  4. Step 4: Simplify right side
    911,097.77x = 414,871,557,736.21
  5. Step 5: Solve for x
    x = 414,871,557,736.21/911,097.77
  6. Step 6: Final answer
    x = 455,353.50

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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.