Home / 448,451.58-618,839.71-254,833.38

Finding the Fourth Proportional to 448,451.58, 618,839.71 and 254,833.38

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Solution

The fourth proportional to 448,451.58, 618,839.71 and 254,833.38 is: 351,656.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,451.58 : 618,839.71 = 254,833.38 : x
  2. Step 2: Convert to fraction form
    448,451.58/618,839.71 = 254,833.38/x
  3. Step 3: Cross multiply
    448,451.58x = 618,839.71 × 254,833.38
  4. Step 4: Simplify right side
    448,451.58x = 157,701,014,977.52
  5. Step 5: Solve for x
    x = 157,701,014,977.52/448,451.58
  6. Step 6: Final answer
    x = 351,656.73

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1.5x scale

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.