Home / 693,739.64-1,040,594.86-319,762.64

Finding the Fourth Proportional to 693,739.64, 1,040,594.86 and 319,762.64

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Solution

The fourth proportional to 693,739.64, 1,040,594.86 and 319,762.64 is: 479,637.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,739.64 : 1,040,594.86 = 319,762.64 : x
  2. Step 2: Convert to fraction form
    693,739.64/1,040,594.86 = 319,762.64/x
  3. Step 3: Cross multiply
    693,739.64x = 1,040,594.86 × 319,762.64
  4. Step 4: Simplify right side
    693,739.64x = 332,743,359,604.03
  5. Step 5: Solve for x
    x = 332,743,359,604.03/693,739.64
  6. Step 6: Final answer
    x = 479,637.23

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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.