Finding the Fourth Proportional to 807,645.08, 1,114,557.68 and 445,081.92
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Solution
The fourth proportional to 807,645.08, 1,114,557.68 and 445,081.92 is: 614,217.17
Step by Step Solution
- Step 1: Write the proportion equation
807,645.08 : 1,114,557.68 = 445,081.92 : x - Step 2: Convert to fraction form
807,645.08/1,114,557.68 = 445,081.92/x - Step 3: Cross multiply
807,645.08x = 1,114,557.68 × 445,081.92 - Step 4: Simplify right side
807,645.08x = 496,069,472,165.15 - Step 5: Solve for x
x = 496,069,472,165.15/807,645.08 - Step 6: Final answer
x = 614,217.17
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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.