Home / 540,739.20-746,180.64-299,024.64

Finding the Fourth Proportional to 540,739.20, 746,180.64 and 299,024.64

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Solution

The fourth proportional to 540,739.20, 746,180.64 and 299,024.64 is: 412,632.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,739.20 : 746,180.64 = 299,024.64 : x
  2. Step 2: Convert to fraction form
    540,739.20/746,180.64 = 299,024.64/x
  3. Step 3: Cross multiply
    540,739.20x = 746,180.64 × 299,024.64
  4. Step 4: Simplify right side
    540,739.20x = 223,126,397,250.97
  5. Step 5: Solve for x
    x = 223,126,397,250.97/540,739.20
  6. Step 6: Final answer
    x = 412,632.18

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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.