Home / 770,738.08-1,155,868.08-271,985.44

Finding the Fourth Proportional to 770,738.08, 1,155,868.08 and 271,985.44

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Solution

The fourth proportional to 770,738.08, 1,155,868.08 and 271,985.44 is: 407,893.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,738.08 : 1,155,868.08 = 271,985.44 : x
  2. Step 2: Convert to fraction form
    770,738.08/1,155,868.08 = 271,985.44/x
  3. Step 3: Cross multiply
    770,738.08x = 1,155,868.08 × 271,985.44
  4. Step 4: Simplify right side
    770,738.08x = 314,379,288,320.76
  5. Step 5: Solve for x
    x = 314,379,288,320.76/770,738.08
  6. Step 6: Final answer
    x = 407,893.81

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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.