Finding the Fourth Proportional to 911,705.99, 1,367,617.31 and 350,740.49
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Solution
The fourth proportional to 911,705.99, 1,367,617.31 and 350,740.49 is: 526,133.17
Step by Step Solution
- Step 1: Write the proportion equation
911,705.99 : 1,367,617.31 = 350,740.49 : x - Step 2: Convert to fraction form
911,705.99/1,367,617.31 = 350,740.49/x - Step 3: Cross multiply
911,705.99x = 1,367,617.31 × 350,740.49 - Step 4: Simplify right side
911,705.99x = 479,678,756,850.09 - Step 5: Solve for x
x = 479,678,756,850.09/911,705.99 - Step 6: Final answer
x = 526,133.17
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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.