Finding the Fourth Proportional to 885,902.92, 1,222,528.98 and 483,497.80
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Solution
The fourth proportional to 885,902.92, 1,222,528.98 and 483,497.80 is: 667,217.66
Step by Step Solution
- Step 1: Write the proportion equation
885,902.92 : 1,222,528.98 = 483,497.80 : x - Step 2: Convert to fraction form
885,902.92/1,222,528.98 = 483,497.80/x - Step 3: Cross multiply
885,902.92x = 1,222,528.98 × 483,497.80 - Step 4: Simplify right side
885,902.92x = 591,090,072,266.24 - Step 5: Solve for x
x = 591,090,072,266.24/885,902.92 - Step 6: Final answer
x = 667,217.66
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.