Finding the Fourth Proportional to 382,991.06, 574,486.74 and 382,437.63
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Solution
The fourth proportional to 382,991.06, 574,486.74 and 382,437.63 is: 573,656.60
Step by Step Solution
- Step 1: Write the proportion equation
382,991.06 : 574,486.74 = 382,437.63 : x - Step 2: Convert to fraction form
382,991.06/574,486.74 = 382,437.63/x - Step 3: Cross multiply
382,991.06x = 574,486.74 × 382,437.63 - Step 4: Simplify right side
382,991.06x = 219,705,347,312.03 - Step 5: Solve for x
x = 219,705,347,312.03/382,991.06 - Step 6: Final answer
x = 573,656.60
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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.