Finding the Fourth Proportional to 816,574.03, 1,224,781.84 and 247,960.05
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Solution
The fourth proportional to 816,574.03, 1,224,781.84 and 247,960.05 is: 371,916.02
Step by Step Solution
- Step 1: Write the proportion equation
816,574.03 : 1,224,781.84 = 247,960.05 : x - Step 2: Convert to fraction form
816,574.03/1,224,781.84 = 247,960.05/x - Step 3: Cross multiply
816,574.03x = 1,224,781.84 × 247,960.05 - Step 4: Simplify right side
816,574.03x = 303,696,965,045.69 - Step 5: Solve for x
x = 303,696,965,045.69/816,574.03 - Step 6: Final answer
x = 371,916.02
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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.