Home / 794,634.80-1,191,030.60-321,009.20

Finding the Fourth Proportional to 794,634.80, 1,191,030.60 and 321,009.20

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Solution

The fourth proportional to 794,634.80, 1,191,030.60 and 321,009.20 is: 481,141.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,634.80 : 1,191,030.60 = 321,009.20 : x
  2. Step 2: Convert to fraction form
    794,634.80/1,191,030.60 = 321,009.20/x
  3. Step 3: Cross multiply
    794,634.80x = 1,191,030.60 × 321,009.20
  4. Step 4: Simplify right side
    794,634.80x = 382,331,780,081.52
  5. Step 5: Solve for x
    x = 382,331,780,081.52/794,634.80
  6. Step 6: Final answer
    x = 481,141.50

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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.