Finding the Fourth Proportional to 870,701.49, 1,201,527.54 and 483,541.44
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Solution
The fourth proportional to 870,701.49, 1,201,527.54 and 483,541.44 is: 667,264.69
Step by Step Solution
- Step 1: Write the proportion equation
870,701.49 : 1,201,527.54 = 483,541.44 : x - Step 2: Convert to fraction form
870,701.49/1,201,527.54 = 483,541.44/x - Step 3: Cross multiply
870,701.49x = 1,201,527.54 × 483,541.44 - Step 4: Simplify right side
870,701.49x = 580,988,356,891.26 - Step 5: Solve for x
x = 580,988,356,891.26/870,701.49 - Step 6: Final answer
x = 667,264.69
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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.