Home / 745,189.44-1,117,110.04-271,763.88

Finding the Fourth Proportional to 745,189.44, 1,117,110.04 and 271,763.88

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Solution

The fourth proportional to 745,189.44, 1,117,110.04 and 271,763.88 is: 407,399.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,189.44 : 1,117,110.04 = 271,763.88 : x
  2. Step 2: Convert to fraction form
    745,189.44/1,117,110.04 = 271,763.88/x
  3. Step 3: Cross multiply
    745,189.44x = 1,117,110.04 × 271,763.88
  4. Step 4: Simplify right side
    745,189.44x = 303,590,158,857.36
  5. Step 5: Solve for x
    x = 303,590,158,857.36/745,189.44
  6. Step 6: Final answer
    x = 407,399.97

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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.