Finding the Fourth Proportional to 878,537.88, 1,318,884.12 and 579,268.80
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Solution
The fourth proportional to 878,537.88, 1,318,884.12 and 579,268.80 is: 869,613.52
Step by Step Solution
- Step 1: Write the proportion equation
878,537.88 : 1,318,884.12 = 579,268.80 : x - Step 2: Convert to fraction form
878,537.88/1,318,884.12 = 579,268.80/x - Step 3: Cross multiply
878,537.88x = 1,318,884.12 × 579,268.80 - Step 4: Simplify right side
878,537.88x = 763,988,421,531.46 - Step 5: Solve for x
x = 763,988,421,531.46/878,537.88 - Step 6: Final answer
x = 869,613.52
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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.