Home / 751,914.32-1,128,166.88-330,894.96

Finding the Fourth Proportional to 751,914.32, 1,128,166.88 and 330,894.96

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Solution

The fourth proportional to 751,914.32, 1,128,166.88 and 330,894.96 is: 496,472.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,914.32 : 1,128,166.88 = 330,894.96 : x
  2. Step 2: Convert to fraction form
    751,914.32/1,128,166.88 = 330,894.96/x
  3. Step 3: Cross multiply
    751,914.32x = 1,128,166.88 × 330,894.96
  4. Step 4: Simplify right side
    751,914.32x = 373,304,734,630.93
  5. Step 5: Solve for x
    x = 373,304,734,630.93/751,914.32
  6. Step 6: Final answer
    x = 496,472.44

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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.