Home / 727,070.09-1,091,103.32-253,755.44

Finding the Fourth Proportional to 727,070.09, 1,091,103.32 and 253,755.44

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Solution

The fourth proportional to 727,070.09, 1,091,103.32 and 253,755.44 is: 380,807.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,070.09 : 1,091,103.32 = 253,755.44 : x
  2. Step 2: Convert to fraction form
    727,070.09/1,091,103.32 = 253,755.44/x
  3. Step 3: Cross multiply
    727,070.09x = 1,091,103.32 × 253,755.44
  4. Step 4: Simplify right side
    727,070.09x = 276,873,401,783.28
  5. Step 5: Solve for x
    x = 276,873,401,783.28/727,070.09
  6. Step 6: Final answer
    x = 380,807.03

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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.