Home / 548,918.80-823,896.60-338,966.80

Finding the Fourth Proportional to 548,918.80, 823,896.60 and 338,966.80

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Solution

The fourth proportional to 548,918.80, 823,896.60 and 338,966.80 is: 508,770.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,918.80 : 823,896.60 = 338,966.80 : x
  2. Step 2: Convert to fraction form
    548,918.80/823,896.60 = 338,966.80/x
  3. Step 3: Cross multiply
    548,918.80x = 823,896.60 × 338,966.80
  4. Step 4: Simplify right side
    548,918.80x = 279,273,594,032.88
  5. Step 5: Solve for x
    x = 279,273,594,032.88/548,918.80
  6. Step 6: Final answer
    x = 508,770.32

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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.