Finding the Fourth Proportional to 1,054.42, 1,581.58 and 324
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Solution
The fourth proportional to 1,054.42, 1,581.58 and 324 is: 485.99
Step by Step Solution
- Step 1: Write the proportion equation
1,054.42 : 1,581.58 = 324 : x - Step 2: Convert to fraction form
1,054.42/1,581.58 = 324/x - Step 3: Cross multiply
1,054.42x = 1,581.58 × 324 - Step 4: Simplify right side
1,054.42x = 512,431.11 - Step 5: Solve for x
x = 512,431.11/1,054.42 - Step 6: Final answer
x = 485.99
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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.