Finding the Fourth Proportional to 756,783.54, 1,129,634.64 and 667,106.82
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Solution
The fourth proportional to 756,783.54, 1,129,634.64 and 667,106.82 is: 995,776.11
Step by Step Solution
- Step 1: Write the proportion equation
756,783.54 : 1,129,634.64 = 667,106.82 : x - Step 2: Convert to fraction form
756,783.54/1,129,634.64 = 667,106.82/x - Step 3: Cross multiply
756,783.54x = 1,129,634.64 × 667,106.82 - Step 4: Simplify right side
756,783.54x = 753,586,972,452.25 - Step 5: Solve for x
x = 753,586,972,452.25/756,783.54 - Step 6: Final answer
x = 995,776.11
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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.