Finding the Fourth Proportional to 750.96, 1,125.36 and 664.08
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Solution
The fourth proportional to 750.96, 1,125.36 and 664.08 is: 995.16
Step by Step Solution
- Step 1: Write the proportion equation
750.96 : 1,125.36 = 664.08 : x - Step 2: Convert to fraction form
750.96/1,125.36 = 664.08/x - Step 3: Cross multiply
750.96x = 1,125.36 × 664.08 - Step 4: Simplify right side
750.96x = 747,329.07 - Step 5: Solve for x
x = 747,329.07/750.96 - Step 6: Final answer
x = 995.16
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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.