Finding the Fourth Proportional to 974,464.10, 1,461,696.15 and 738,268.10
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Solution
The fourth proportional to 974,464.10, 1,461,696.15 and 738,268.10 is: 1,107,402.15
Step by Step Solution
- Step 1: Write the proportion equation
974,464.10 : 1,461,696.15 = 738,268.10 : x - Step 2: Convert to fraction form
974,464.10/1,461,696.15 = 738,268.10/x - Step 3: Cross multiply
974,464.10x = 1,461,696.15 × 738,268.10 - Step 4: Simplify right side
974,464.10x = 1,079,123,639,437.82 - Step 5: Solve for x
x = 1,079,123,639,437.82/974,464.10 - Step 6: Final answer
x = 1,107,402.15
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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.