Home / 548,913.44-823,862.21-459,515.72

Finding the Fourth Proportional to 548,913.44, 823,862.21 and 459,515.72

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Solution

The fourth proportional to 548,913.44, 823,862.21 and 459,515.72 is: 689,685.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,913.44 : 823,862.21 = 459,515.72 : x
  2. Step 2: Convert to fraction form
    548,913.44/823,862.21 = 459,515.72/x
  3. Step 3: Cross multiply
    548,913.44x = 823,862.21 × 459,515.72
  4. Step 4: Simplify right side
    548,913.44x = 378,577,630,192.05
  5. Step 5: Solve for x
    x = 378,577,630,192.05/548,913.44
  6. Step 6: Final answer
    x = 689,685.49

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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.