Finding the Fourth Proportional to 834,269.10, 1,251,775.80 and 384,748.68
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Solution
The fourth proportional to 834,269.10, 1,251,775.80 and 384,748.68 is: 577,294.65
Step by Step Solution
- Step 1: Write the proportion equation
834,269.10 : 1,251,775.80 = 384,748.68 : x - Step 2: Convert to fraction form
834,269.10/1,251,775.80 = 384,748.68/x - Step 3: Cross multiply
834,269.10x = 1,251,775.80 × 384,748.68 - Step 4: Simplify right side
834,269.10x = 481,619,086,705.94 - Step 5: Solve for x
x = 481,619,086,705.94/834,269.10 - Step 6: Final answer
x = 577,294.65
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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.