Home / 768,120.03-1,151,811.98-362,975.04

Finding the Fourth Proportional to 768,120.03, 1,151,811.98 and 362,975.04

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Solution

The fourth proportional to 768,120.03, 1,151,811.98 and 362,975.04 is: 544,288.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,120.03 : 1,151,811.98 = 362,975.04 : x
  2. Step 2: Convert to fraction form
    768,120.03/1,151,811.98 = 362,975.04/x
  3. Step 3: Cross multiply
    768,120.03x = 1,151,811.98 × 362,975.04
  4. Step 4: Simplify right side
    768,120.03x = 418,078,997,698.10
  5. Step 5: Solve for x
    x = 418,078,997,698.10/768,120.03
  6. Step 6: Final answer
    x = 544,288.63

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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.