Home / 448,003.28-618,263.88-254,407.08

Finding the Fourth Proportional to 448,003.28, 618,263.88 and 254,407.08

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Solution

The fourth proportional to 448,003.28, 618,263.88 and 254,407.08 is: 351,092.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,003.28 : 618,263.88 = 254,407.08 : x
  2. Step 2: Convert to fraction form
    448,003.28/618,263.88 = 254,407.08/x
  3. Step 3: Cross multiply
    448,003.28x = 618,263.88 × 254,407.08
  4. Step 4: Simplify right side
    448,003.28x = 157,290,708,380.27
  5. Step 5: Solve for x
    x = 157,290,708,380.27/448,003.28
  6. Step 6: Final answer
    x = 351,092.76

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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.