Finding the Fourth Proportional to 891,672.16, 1,230,336.12 and 509,617.84
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Solution
The fourth proportional to 891,672.16, 1,230,336.12 and 509,617.84 is: 703,174.62
Step by Step Solution
- Step 1: Write the proportion equation
891,672.16 : 1,230,336.12 = 509,617.84 : x - Step 2: Convert to fraction form
891,672.16/1,230,336.12 = 509,617.84/x - Step 3: Cross multiply
891,672.16x = 1,230,336.12 × 509,617.84 - Step 4: Simplify right side
891,672.16x = 627,001,235,948.38 - Step 5: Solve for x
x = 627,001,235,948.38/891,672.16 - Step 6: Final answer
x = 703,174.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.