Finding the Fourth Proportional to 804,914.28, 1,207,545.66 and 243,991.08
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Solution
The fourth proportional to 804,914.28, 1,207,545.66 and 243,991.08 is: 366,039.44
Step by Step Solution
- Step 1: Write the proportion equation
804,914.28 : 1,207,545.66 = 243,991.08 : x - Step 2: Convert to fraction form
804,914.28/1,207,545.66 = 243,991.08/x - Step 3: Cross multiply
804,914.28x = 1,207,545.66 × 243,991.08 - Step 4: Simplify right side
804,914.28x = 294,630,369,732.71 - Step 5: Solve for x
x = 294,630,369,732.71/804,914.28 - Step 6: Final answer
x = 366,039.44
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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.