Finding the Fourth Proportional to 877.99, 1,316.99 and 695.14
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Solution
The fourth proportional to 877.99, 1,316.99 and 695.14 is: 1,042.71
Step by Step Solution
- Step 1: Write the proportion equation
877.99 : 1,316.99 = 695.14 : x - Step 2: Convert to fraction form
877.99/1,316.99 = 695.14/x - Step 3: Cross multiply
877.99x = 1,316.99 × 695.14 - Step 4: Simplify right side
877.99x = 915,492.43 - Step 5: Solve for x
x = 915,492.43/877.99 - Step 6: Final answer
x = 1,042.71
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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.