Home / 728,956.23-1,093,444.07-255,655.41

Finding the Fourth Proportional to 728,956.23, 1,093,444.07 and 255,655.41

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Solution

The fourth proportional to 728,956.23, 1,093,444.07 and 255,655.41 is: 383,486.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,956.23 : 1,093,444.07 = 255,655.41 : x
  2. Step 2: Convert to fraction form
    728,956.23/1,093,444.07 = 255,655.41/x
  3. Step 3: Cross multiply
    728,956.23x = 1,093,444.07 × 255,655.41
  4. Step 4: Simplify right side
    728,956.23x = 279,544,890,749.64
  5. Step 5: Solve for x
    x = 279,544,890,749.64/728,956.23
  6. Step 6: Final answer
    x = 383,486.52

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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.