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Finding the Fourth Proportional to 656,652.72, 906,194.64 and 370,172.84

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Solution

The fourth proportional to 656,652.72, 906,194.64 and 370,172.84 is: 510,846.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,652.72 : 906,194.64 = 370,172.84 : x
  2. Step 2: Convert to fraction form
    656,652.72/906,194.64 = 370,172.84/x
  3. Step 3: Cross multiply
    656,652.72x = 906,194.64 × 370,172.84
  4. Step 4: Simplify right side
    656,652.72x = 335,448,643,481.58
  5. Step 5: Solve for x
    x = 335,448,643,481.58/656,652.72
  6. Step 6: Final answer
    x = 510,846.35

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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.