Finding the Fourth Proportional to 740,467.54, 1,110,744.37 and 208,030.09
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Solution
The fourth proportional to 740,467.54, 1,110,744.37 and 208,030.09 is: 312,057.23
Step by Step Solution
- Step 1: Write the proportion equation
740,467.54 : 1,110,744.37 = 208,030.09 : x - Step 2: Convert to fraction form
740,467.54/1,110,744.37 = 208,030.09/x - Step 3: Cross multiply
740,467.54x = 1,110,744.37 × 208,030.09 - Step 4: Simplify right side
740,467.54x = 231,068,251,258.09 - Step 5: Solve for x
x = 231,068,251,258.09/740,467.54 - Step 6: Final answer
x = 312,057.23
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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.