Finding the Fourth Proportional to 865,414.08, 1,193,495.44 and 720,699.04
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Solution
The fourth proportional to 865,414.08, 1,193,495.44 and 720,699.04 is: 993,918.45
Step by Step Solution
- Step 1: Write the proportion equation
865,414.08 : 1,193,495.44 = 720,699.04 : x - Step 2: Convert to fraction form
865,414.08/1,193,495.44 = 720,699.04/x - Step 3: Cross multiply
865,414.08x = 1,193,495.44 × 720,699.04 - Step 4: Simplify right side
865,414.08x = 860,151,017,852.38 - Step 5: Solve for x
x = 860,151,017,852.38/865,414.08 - Step 6: Final answer
x = 993,918.45
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1.5x scale
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.