Finding the Fourth Proportional to 1,253,907.84, 1,880,268.84 and 485,765.40
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Solution
The fourth proportional to 1,253,907.84, 1,880,268.84 and 485,765.40 is: 728,418.40
Step by Step Solution
- Step 1: Write the proportion equation
1,253,907.84 : 1,880,268.84 = 485,765.40 : x - Step 2: Convert to fraction form
1,253,907.84/1,880,268.84 = 485,765.40/x - Step 3: Cross multiply
1,253,907.84x = 1,880,268.84 × 485,765.40 - Step 4: Simplify right side
1,253,907.84x = 913,369,545,170.14 - Step 5: Solve for x
x = 913,369,545,170.14/1,253,907.84 - Step 6: Final answer
x = 728,418.40
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.