Finding the Fourth Proportional to 717,236.58, 989,754.54 and 411,093.48
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Solution
The fourth proportional to 717,236.58, 989,754.54 and 411,093.48 is: 567,290.70
Step by Step Solution
- Step 1: Write the proportion equation
717,236.58 : 989,754.54 = 411,093.48 : x - Step 2: Convert to fraction form
717,236.58/989,754.54 = 411,093.48/x - Step 3: Cross multiply
717,236.58x = 989,754.54 × 411,093.48 - Step 4: Simplify right side
717,236.58x = 406,881,638,194.40 - Step 5: Solve for x
x = 406,881,638,194.40/717,236.58 - Step 6: Final answer
x = 567,290.70
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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.