Finding the Fourth Proportional to 557,820.99, 769,793.05 and 303,172.18
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Solution
The fourth proportional to 557,820.99, 769,793.05 and 303,172.18 is: 418,377.65
Step by Step Solution
- Step 1: Write the proportion equation
557,820.99 : 769,793.05 = 303,172.18 : x - Step 2: Convert to fraction form
557,820.99/769,793.05 = 303,172.18/x - Step 3: Cross multiply
557,820.99x = 769,793.05 × 303,172.18 - Step 4: Simplify right side
557,820.99x = 233,379,837,117.35 - Step 5: Solve for x
x = 233,379,837,117.35/557,820.99 - Step 6: Final answer
x = 418,377.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.