Finding the Fourth Proportional to 652,509.19, 978,447.35 and 382,725.49
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Solution
The fourth proportional to 652,509.19, 978,447.35 and 382,725.49 is: 573,902.63
Step by Step Solution
- Step 1: Write the proportion equation
652,509.19 : 978,447.35 = 382,725.49 : x - Step 2: Convert to fraction form
652,509.19/978,447.35 = 382,725.49/x - Step 3: Cross multiply
652,509.19x = 978,447.35 × 382,725.49 - Step 4: Simplify right side
652,509.19x = 374,476,741,467.95 - Step 5: Solve for x
x = 374,476,741,467.95/652,509.19 - Step 6: Final answer
x = 573,902.63
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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.