Home / 735,486.88-1,015,081.68-449,171.68

Finding the Fourth Proportional to 735,486.88, 1,015,081.68 and 449,171.68

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Solution

The fourth proportional to 735,486.88, 1,015,081.68 and 449,171.68 is: 619,923.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,486.88 : 1,015,081.68 = 449,171.68 : x
  2. Step 2: Convert to fraction form
    735,486.88/1,015,081.68 = 449,171.68/x
  3. Step 3: Cross multiply
    735,486.88x = 1,015,081.68 × 449,171.68
  4. Step 4: Simplify right side
    735,486.88x = 455,945,943,542.82
  5. Step 5: Solve for x
    x = 455,945,943,542.82/735,486.88
  6. Step 6: Final answer
    x = 619,923.97

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1.5x scale

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.