Finding the Fourth Proportional to 884,305.20, 1,326,716.10 and 285,253.05
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Solution
The fourth proportional to 884,305.20, 1,326,716.10 and 285,253.05 is: 427,962.90
Step by Step Solution
- Step 1: Write the proportion equation
884,305.20 : 1,326,716.10 = 285,253.05 : x - Step 2: Convert to fraction form
884,305.20/1,326,716.10 = 285,253.05/x - Step 3: Cross multiply
884,305.20x = 1,326,716.10 × 285,253.05 - Step 4: Simplify right side
884,305.20x = 378,449,814,009.11 - Step 5: Solve for x
x = 378,449,814,009.11/884,305.20 - Step 6: Final answer
x = 427,962.90
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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.