Finding the Fourth Proportional to 606,591.81, 909,195.83 and 378,992.08
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Solution
The fourth proportional to 606,591.81, 909,195.83 and 378,992.08 is: 568,055.83
Step by Step Solution
- Step 1: Write the proportion equation
606,591.81 : 909,195.83 = 378,992.08 : x - Step 2: Convert to fraction form
606,591.81/909,195.83 = 378,992.08/x - Step 3: Cross multiply
606,591.81x = 909,195.83 × 378,992.08 - Step 4: Simplify right side
606,591.81x = 344,578,014,193.05 - Step 5: Solve for x
x = 344,578,014,193.05/606,591.81 - Step 6: Final answer
x = 568,055.83
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1.5x scale
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.