Home / 1,338,902.40-2,008,340.80-328,028.80

Finding the Fourth Proportional to 1,338,902.40, 2,008,340.80 and 328,028.80

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Solution

The fourth proportional to 1,338,902.40, 2,008,340.80 and 328,028.80 is: 492,040.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,902.40 : 2,008,340.80 = 328,028.80 : x
  2. Step 2: Convert to fraction form
    1,338,902.40/2,008,340.80 = 328,028.80/x
  3. Step 3: Cross multiply
    1,338,902.40x = 2,008,340.80 × 328,028.80
  4. Step 4: Simplify right side
    1,338,902.40x = 658,793,622,615.04
  5. Step 5: Solve for x
    x = 658,793,622,615.04/1,338,902.40
  6. Step 6: Final answer
    x = 492,040.06

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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.