Home / 794,509.80-1,191,762.18-321,189.72

Finding the Fourth Proportional to 794,509.80, 1,191,762.18 and 321,189.72

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Solution

The fourth proportional to 794,509.80, 1,191,762.18 and 321,189.72 is: 481,783.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,509.80 : 1,191,762.18 = 321,189.72 : x
  2. Step 2: Convert to fraction form
    794,509.80/1,191,762.18 = 321,189.72/x
  3. Step 3: Cross multiply
    794,509.80x = 1,191,762.18 × 321,189.72
  4. Step 4: Simplify right side
    794,509.80x = 382,781,760,900.79
  5. Step 5: Solve for x
    x = 382,781,760,900.79/794,509.80
  6. Step 6: Final answer
    x = 481,783.56

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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.