Finding the Fourth Proportional to 1,078.23, 1,618.06 and 591.62
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Solution
The fourth proportional to 1,078.23, 1,618.06 and 591.62 is: 887.82
Step by Step Solution
- Step 1: Write the proportion equation
1,078.23 : 1,618.06 = 591.62 : x - Step 2: Convert to fraction form
1,078.23/1,618.06 = 591.62/x - Step 3: Cross multiply
1,078.23x = 1,618.06 × 591.62 - Step 4: Simplify right side
1,078.23x = 957,279.22 - Step 5: Solve for x
x = 957,279.22/1,078.23 - Step 6: Final answer
x = 887.82
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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.