Home / 904,308.80-1,356,618.72-372,119.36

Finding the Fourth Proportional to 904,308.80, 1,356,618.72 and 372,119.36

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Solution

The fourth proportional to 904,308.80, 1,356,618.72 and 372,119.36 is: 558,243.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,308.80 : 1,356,618.72 = 372,119.36 : x
  2. Step 2: Convert to fraction form
    904,308.80/1,356,618.72 = 372,119.36/x
  3. Step 3: Cross multiply
    904,308.80x = 1,356,618.72 × 372,119.36
  4. Step 4: Simplify right side
    904,308.80x = 504,824,089,850.42
  5. Step 5: Solve for x
    x = 504,824,089,850.42/904,308.80
  6. Step 6: Final answer
    x = 558,243.04

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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.