Home / 762,768.64-1,052,644.62-423,268.48

Finding the Fourth Proportional to 762,768.64, 1,052,644.62 and 423,268.48

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Solution

The fourth proportional to 762,768.64, 1,052,644.62 and 423,268.48 is: 584,123.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,768.64 : 1,052,644.62 = 423,268.48 : x
  2. Step 2: Convert to fraction form
    762,768.64/1,052,644.62 = 423,268.48/x
  3. Step 3: Cross multiply
    762,768.64x = 1,052,644.62 × 423,268.48
  4. Step 4: Simplify right side
    762,768.64x = 445,551,288,287.58
  5. Step 5: Solve for x
    x = 445,551,288,287.58/762,768.64
  6. Step 6: Final answer
    x = 584,123.76

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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.