Finding the Fourth Proportional to 804,382.08, 1,109,636.68 and 513,688.08
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Solution
The fourth proportional to 804,382.08, 1,109,636.68 and 513,688.08 is: 708,627.34
Step by Step Solution
- Step 1: Write the proportion equation
804,382.08 : 1,109,636.68 = 513,688.08 : x - Step 2: Convert to fraction form
804,382.08/1,109,636.68 = 513,688.08/x - Step 3: Cross multiply
804,382.08x = 1,109,636.68 × 513,688.08 - Step 4: Simplify right side
804,382.08x = 570,007,135,646.77 - Step 5: Solve for x
x = 570,007,135,646.77/804,382.08 - Step 6: Final answer
x = 708,627.34
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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.