Home / 715,781.44-1,073,004.72-242,137.20

Finding the Fourth Proportional to 715,781.44, 1,073,004.72 and 242,137.20

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Solution

The fourth proportional to 715,781.44, 1,073,004.72 and 242,137.20 is: 362,980.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,781.44 : 1,073,004.72 = 242,137.20 : x
  2. Step 2: Convert to fraction form
    715,781.44/1,073,004.72 = 242,137.20/x
  3. Step 3: Cross multiply
    715,781.44x = 1,073,004.72 × 242,137.20
  4. Step 4: Simplify right side
    715,781.44x = 259,814,358,487.58
  5. Step 5: Solve for x
    x = 259,814,358,487.58/715,781.44
  6. Step 6: Final answer
    x = 362,980.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.