Finding the Fourth Proportional to 548,572.84, 756,725.68 and 319,104.31
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Solution
The fourth proportional to 548,572.84, 756,725.68 and 319,104.31 is: 440,186.62
Step by Step Solution
- Step 1: Write the proportion equation
548,572.84 : 756,725.68 = 319,104.31 : x - Step 2: Convert to fraction form
548,572.84/756,725.68 = 319,104.31/x - Step 3: Cross multiply
548,572.84x = 756,725.68 × 319,104.31 - Step 4: Simplify right side
548,572.84x = 241,474,425,975.68 - Step 5: Solve for x
x = 241,474,425,975.68/548,572.84 - Step 6: Final answer
x = 440,186.62
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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.