Finding the Fourth Proportional to 1,054.62, 1,582 and 324.70
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Solution
The fourth proportional to 1,054.62, 1,582 and 324.70 is: 487.07
Step by Step Solution
- Step 1: Write the proportion equation
1,054.62 : 1,582 = 324.70 : x - Step 2: Convert to fraction form
1,054.62/1,582 = 324.70/x - Step 3: Cross multiply
1,054.62x = 1,582 × 324.70 - Step 4: Simplify right side
1,054.62x = 513,675.40 - Step 5: Solve for x
x = 513,675.40/1,054.62 - Step 6: Final answer
x = 487.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.