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Finding the Fourth Proportional to 652,836.72, 900,893.16 and 366,361.32

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Solution

The fourth proportional to 652,836.72, 900,893.16 and 366,361.32 is: 505,566.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,836.72 : 900,893.16 = 366,361.32 : x
  2. Step 2: Convert to fraction form
    652,836.72/900,893.16 = 366,361.32/x
  3. Step 3: Cross multiply
    652,836.72x = 900,893.16 × 366,361.32
  4. Step 4: Simplify right side
    652,836.72x = 330,052,407,276.57
  5. Step 5: Solve for x
    x = 330,052,407,276.57/652,836.72
  6. Step 6: Final answer
    x = 505,566.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.