Home / 448,225.28-618,578.56-247,020.80

Finding the Fourth Proportional to 448,225.28, 618,578.56 and 247,020.80

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Solution

The fourth proportional to 448,225.28, 618,578.56 and 247,020.80 is: 340,903.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,225.28 : 618,578.56 = 247,020.80 : x
  2. Step 2: Convert to fraction form
    448,225.28/618,578.56 = 247,020.80/x
  3. Step 3: Cross multiply
    448,225.28x = 618,578.56 × 247,020.80
  4. Step 4: Simplify right side
    448,225.28x = 152,801,770,754.05
  5. Step 5: Solve for x
    x = 152,801,770,754.05/448,225.28
  6. Step 6: Final answer
    x = 340,903.96

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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.