Home / 545,629.12-752,986.14-300,600.88

Finding the Fourth Proportional to 545,629.12, 752,986.14 and 300,600.88

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Solution

The fourth proportional to 545,629.12, 752,986.14 and 300,600.88 is: 414,839.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,629.12 : 752,986.14 = 300,600.88 : x
  2. Step 2: Convert to fraction form
    545,629.12/752,986.14 = 300,600.88/x
  3. Step 3: Cross multiply
    545,629.12x = 752,986.14 × 300,600.88
  4. Step 4: Simplify right side
    545,629.12x = 226,348,296,311.80
  5. Step 5: Solve for x
    x = 226,348,296,311.80/545,629.12
  6. Step 6: Final answer
    x = 414,839.11

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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.