Finding the Fourth Proportional to 886.14, 1,328.40 and 750.06
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Solution
The fourth proportional to 886.14, 1,328.40 and 750.06 is: 1,124.40
Step by Step Solution
- Step 1: Write the proportion equation
886.14 : 1,328.40 = 750.06 : x - Step 2: Convert to fraction form
886.14/1,328.40 = 750.06/x - Step 3: Cross multiply
886.14x = 1,328.40 × 750.06 - Step 4: Simplify right side
886.14x = 996,379.70 - Step 5: Solve for x
x = 996,379.70/886.14 - Step 6: Final answer
x = 1,124.40
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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.