Finding the Fourth Proportional to 965,028.80, 1,447,409.28 and 675,965.12
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Solution
The fourth proportional to 965,028.80, 1,447,409.28 and 675,965.12 is: 1,013,853.87
Step by Step Solution
- Step 1: Write the proportion equation
965,028.80 : 1,447,409.28 = 675,965.12 : x - Step 2: Convert to fraction form
965,028.80/1,447,409.28 = 675,965.12/x - Step 3: Cross multiply
965,028.80x = 1,447,409.28 × 675,965.12 - Step 4: Simplify right side
965,028.80x = 978,398,187,644.31 - Step 5: Solve for x
x = 978,398,187,644.31/965,028.80 - Step 6: Final answer
x = 1,013,853.87
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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.