Finding the Fourth Proportional to 676,532.19, 933,260.43 and 418,326.60
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Solution
The fourth proportional to 676,532.19, 933,260.43 and 418,326.60 is: 577,071.82
Step by Step Solution
- Step 1: Write the proportion equation
676,532.19 : 933,260.43 = 418,326.60 : x - Step 2: Convert to fraction form
676,532.19/933,260.43 = 418,326.60/x - Step 3: Cross multiply
676,532.19x = 933,260.43 × 418,326.60 - Step 4: Simplify right side
676,532.19x = 390,407,662,596.44 - Step 5: Solve for x
x = 390,407,662,596.44/676,532.19 - Step 6: Final answer
x = 577,071.82
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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.