Home / 448,949.12-619,546.74-247,745.12

Finding the Fourth Proportional to 448,949.12, 619,546.74 and 247,745.12

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Solution

The fourth proportional to 448,949.12, 619,546.74 and 247,745.12 is: 341,886.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,949.12 : 619,546.74 = 247,745.12 : x
  2. Step 2: Convert to fraction form
    448,949.12/619,546.74 = 247,745.12/x
  3. Step 3: Cross multiply
    448,949.12x = 619,546.74 × 247,745.12
  4. Step 4: Simplify right side
    448,949.12x = 153,489,681,446.91
  5. Step 5: Solve for x
    x = 153,489,681,446.91/448,949.12
  6. Step 6: Final answer
    x = 341,886.58

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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.