Finding the Fourth Proportional to 841,409.13, 1,161,236.01 and 519,110.94
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Solution
The fourth proportional to 841,409.13, 1,161,236.01 and 519,110.94 is: 716,429.49
Step by Step Solution
- Step 1: Write the proportion equation
841,409.13 : 1,161,236.01 = 519,110.94 : x - Step 2: Convert to fraction form
841,409.13/1,161,236.01 = 519,110.94/x - Step 3: Cross multiply
841,409.13x = 1,161,236.01 × 519,110.94 - Step 4: Simplify right side
841,409.13x = 602,810,313,331.65 - Step 5: Solve for x
x = 602,810,313,331.65/841,409.13 - Step 6: Final answer
x = 716,429.49
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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.