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Finding the Fourth Proportional to 843,974.64, 1,265,962.37 and 370,664.10

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Solution

The fourth proportional to 843,974.64, 1,265,962.37 and 370,664.10 is: 555,996.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,974.64 : 1,265,962.37 = 370,664.10 : x
  2. Step 2: Convert to fraction form
    843,974.64/1,265,962.37 = 370,664.10/x
  3. Step 3: Cross multiply
    843,974.64x = 1,265,962.37 × 370,664.10
  4. Step 4: Simplify right side
    843,974.64x = 469,246,800,656.60
  5. Step 5: Solve for x
    x = 469,246,800,656.60/843,974.64
  6. Step 6: Final answer
    x = 555,996.33

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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.