Home / 768,042.36-1,151,962.38-228,287.16

Finding the Fourth Proportional to 768,042.36, 1,151,962.38 and 228,287.16

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Solution

The fourth proportional to 768,042.36, 1,151,962.38 and 228,287.16 is: 342,400.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,042.36 : 1,151,962.38 = 228,287.16 : x
  2. Step 2: Convert to fraction form
    768,042.36/1,151,962.38 = 228,287.16/x
  3. Step 3: Cross multiply
    768,042.36x = 1,151,962.38 × 228,287.16
  4. Step 4: Simplify right side
    768,042.36x = 262,978,220,157.04
  5. Step 5: Solve for x
    x = 262,978,220,157.04/768,042.36
  6. Step 6: Final answer
    x = 342,400.67

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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.