Home / 548,926.80-823,908.60-338,974.80

Finding the Fourth Proportional to 548,926.80, 823,908.60 and 338,974.80

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Solution

The fourth proportional to 548,926.80, 823,908.60 and 338,974.80 is: 508,782.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,926.80 : 823,908.60 = 338,974.80 : x
  2. Step 2: Convert to fraction form
    548,926.80/823,908.60 = 338,974.80/x
  3. Step 3: Cross multiply
    548,926.80x = 823,908.60 × 338,974.80
  4. Step 4: Simplify right side
    548,926.80x = 279,284,252,903.28
  5. Step 5: Solve for x
    x = 279,284,252,903.28/548,926.80
  6. Step 6: Final answer
    x = 508,782.32

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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.