Finding the Fourth Proportional to 741,220.17, 1,022,884.70 and 401,688.42
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Solution
The fourth proportional to 741,220.17, 1,022,884.70 and 401,688.42 is: 554,330.49
Step by Step Solution
- Step 1: Write the proportion equation
741,220.17 : 1,022,884.70 = 401,688.42 : x - Step 2: Convert to fraction form
741,220.17/1,022,884.70 = 401,688.42/x - Step 3: Cross multiply
741,220.17x = 1,022,884.70 × 401,688.42 - Step 4: Simplify right side
741,220.17x = 410,880,938,985.17 - Step 5: Solve for x
x = 410,880,938,985.17/741,220.17 - Step 6: Final answer
x = 554,330.49
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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.