Home / 727,907.80-1,091,570.10-254,349.40

Finding the Fourth Proportional to 727,907.80, 1,091,570.10 and 254,349.40

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Solution

The fourth proportional to 727,907.80, 1,091,570.10 and 254,349.40 is: 381,422.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,907.80 : 1,091,570.10 = 254,349.40 : x
  2. Step 2: Convert to fraction form
    727,907.80/1,091,570.10 = 254,349.40/x
  3. Step 3: Cross multiply
    727,907.80x = 1,091,570.10 × 254,349.40
  4. Step 4: Simplify right side
    727,907.80x = 277,640,199,992.94
  5. Step 5: Solve for x
    x = 277,640,199,992.94/727,907.80
  6. Step 6: Final answer
    x = 381,422.21

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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.