Home / 770,197.80-1,155,494.10-320,769.24

Finding the Fourth Proportional to 770,197.80, 1,155,494.10 and 320,769.24

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Solution

The fourth proportional to 770,197.80, 1,155,494.10 and 320,769.24 is: 481,236.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,197.80 : 1,155,494.10 = 320,769.24 : x
  2. Step 2: Convert to fraction form
    770,197.80/1,155,494.10 = 320,769.24/x
  3. Step 3: Cross multiply
    770,197.80x = 1,155,494.10 × 320,769.24
  4. Step 4: Simplify right side
    770,197.80x = 370,646,964,281.48
  5. Step 5: Solve for x
    x = 370,646,964,281.48/770,197.80
  6. Step 6: Final answer
    x = 481,236.07

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1.5x scale

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.