Finding the Fourth Proportional to 878,387.53, 1,310,197.58 and 797,662.63
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Solution
The fourth proportional to 878,387.53, 1,310,197.58 and 797,662.63 is: 1,189,788.80
Step by Step Solution
- Step 1: Write the proportion equation
878,387.53 : 1,310,197.58 = 797,662.63 : x - Step 2: Convert to fraction form
878,387.53/1,310,197.58 = 797,662.63/x - Step 3: Cross multiply
878,387.53x = 1,310,197.58 × 797,662.63 - Step 4: Simplify right side
878,387.53x = 1,045,095,646,201.10 - Step 5: Solve for x
x = 1,045,095,646,201.10/878,387.53 - Step 6: Final answer
x = 1,189,788.80
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.