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Finding the Fourth Proportional to 911,157.92, 1,366,277.84 and 303,731.04

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Solution

The fourth proportional to 911,157.92, 1,366,277.84 and 303,731.04 is: 455,443.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,157.92 : 1,366,277.84 = 303,731.04 : x
  2. Step 2: Convert to fraction form
    911,157.92/1,366,277.84 = 303,731.04/x
  3. Step 3: Cross multiply
    911,157.92x = 1,366,277.84 × 303,731.04
  4. Step 4: Simplify right side
    911,157.92x = 414,980,989,272.15
  5. Step 5: Solve for x
    x = 414,980,989,272.15/911,157.92
  6. Step 6: Final answer
    x = 455,443.54

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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.