Home / 448,219.41-618,542.78-247,015.41

Finding the Fourth Proportional to 448,219.41, 618,542.78 and 247,015.41

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Solution

The fourth proportional to 448,219.41, 618,542.78 and 247,015.41 is: 340,881.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,219.41 : 618,542.78 = 247,015.41 : x
  2. Step 2: Convert to fraction form
    448,219.41/618,542.78 = 247,015.41/x
  3. Step 3: Cross multiply
    448,219.41x = 618,542.78 × 247,015.41
  4. Step 4: Simplify right side
    448,219.41x = 152,789,599,021.78
  5. Step 5: Solve for x
    x = 152,789,599,021.78/448,219.41
  6. Step 6: Final answer
    x = 340,881.26

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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.