Finding the Fourth Proportional to 754.08, 1,129.53 and 444.99
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Solution
The fourth proportional to 754.08, 1,129.53 and 444.99 is: 666.55
Step by Step Solution
- Step 1: Write the proportion equation
754.08 : 1,129.53 = 444.99 : x - Step 2: Convert to fraction form
754.08/1,129.53 = 444.99/x - Step 3: Cross multiply
754.08x = 1,129.53 × 444.99 - Step 4: Simplify right side
754.08x = 502,629.55 - Step 5: Solve for x
x = 502,629.55/754.08 - Step 6: Final answer
x = 666.55
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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.