Finding the Fourth Proportional to 546,408.48, 754,047.99 and 304,706.70
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Solution
The fourth proportional to 546,408.48, 754,047.99 and 304,706.70 is: 420,497.64
Step by Step Solution
- Step 1: Write the proportion equation
546,408.48 : 754,047.99 = 304,706.70 : x - Step 2: Convert to fraction form
546,408.48/754,047.99 = 304,706.70/x - Step 3: Cross multiply
546,408.48x = 754,047.99 × 304,706.70 - Step 4: Simplify right side
546,408.48x = 229,763,474,674.53 - Step 5: Solve for x
x = 229,763,474,674.53/546,408.48 - Step 6: Final answer
x = 420,497.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.