Home / 794,128.55-1,191,415.19-321,146.06

Finding the Fourth Proportional to 794,128.55, 1,191,415.19 and 321,146.06

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Solution

The fourth proportional to 794,128.55, 1,191,415.19 and 321,146.06 is: 481,809.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,128.55 : 1,191,415.19 = 321,146.06 : x
  2. Step 2: Convert to fraction form
    794,128.55/1,191,415.19 = 321,146.06/x
  3. Step 3: Cross multiply
    794,128.55x = 1,191,415.19 × 321,146.06
  4. Step 4: Simplify right side
    794,128.55x = 382,618,286,529.85
  5. Step 5: Solve for x
    x = 382,618,286,529.85/794,128.55
  6. Step 6: Final answer
    x = 481,809.01

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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.