Home / 448,514.56-618,949.44-247,311.04

Finding the Fourth Proportional to 448,514.56, 618,949.44 and 247,311.04

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Solution

The fourth proportional to 448,514.56, 618,949.44 and 247,311.04 is: 341,288.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,514.56 : 618,949.44 = 247,311.04 : x
  2. Step 2: Convert to fraction form
    448,514.56/618,949.44 = 247,311.04/x
  3. Step 3: Cross multiply
    448,514.56x = 618,949.44 × 247,311.04
  4. Step 4: Simplify right side
    448,514.56x = 153,073,029,713.82
  5. Step 5: Solve for x
    x = 153,073,029,713.82/448,514.56
  6. Step 6: Final answer
    x = 341,288.88

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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.