Finding the Fourth Proportional to 753,616.05, 1,129,107.76 and 628,063.11
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Solution
The fourth proportional to 753,616.05, 1,129,107.76 and 628,063.11 is: 940,997.66
Step by Step Solution
- Step 1: Write the proportion equation
753,616.05 : 1,129,107.76 = 628,063.11 : x - Step 2: Convert to fraction form
753,616.05/1,129,107.76 = 628,063.11/x - Step 3: Cross multiply
753,616.05x = 1,129,107.76 × 628,063.11 - Step 4: Simplify right side
753,616.05x = 709,150,931,270.73 - Step 5: Solve for x
x = 709,150,931,270.73/753,616.05 - Step 6: Final answer
x = 940,997.66
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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.