Home / 727,175.45-1,091,261.40-253,860.80

Finding the Fourth Proportional to 727,175.45, 1,091,261.40 and 253,860.80

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Solution

The fourth proportional to 727,175.45, 1,091,261.40 and 253,860.80 is: 380,965.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,175.45 : 1,091,261.40 = 253,860.80 : x
  2. Step 2: Convert to fraction form
    727,175.45/1,091,261.40 = 253,860.80/x
  3. Step 3: Cross multiply
    727,175.45x = 1,091,261.40 × 253,860.80
  4. Step 4: Simplify right side
    727,175.45x = 277,028,492,013.12
  5. Step 5: Solve for x
    x = 277,028,492,013.12/727,175.45
  6. Step 6: Final answer
    x = 380,965.13

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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.