Finding the Fourth Proportional to 734,040.08, 1,101,488.79 and 307,539.47
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Solution
The fourth proportional to 734,040.08, 1,101,488.79 and 307,539.47 is: 461,488.80
Step by Step Solution
- Step 1: Write the proportion equation
734,040.08 : 1,101,488.79 = 307,539.47 : x - Step 2: Convert to fraction form
734,040.08/1,101,488.79 = 307,539.47/x - Step 3: Cross multiply
734,040.08x = 1,101,488.79 × 307,539.47 - Step 4: Simplify right side
734,040.08x = 338,751,278,687.54 - Step 5: Solve for x
x = 338,751,278,687.54/734,040.08 - Step 6: Final answer
x = 461,488.80
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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.