Finding the Fourth Proportional to 841,391.99, 1,161,116.34 and 459,416.03
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Solution
The fourth proportional to 841,391.99, 1,161,116.34 and 459,416.03 is: 633,991.60
Step by Step Solution
- Step 1: Write the proportion equation
841,391.99 : 1,161,116.34 = 459,416.03 : x - Step 2: Convert to fraction form
841,391.99/1,161,116.34 = 459,416.03/x - Step 3: Cross multiply
841,391.99x = 1,161,116.34 × 459,416.03 - Step 4: Simplify right side
841,391.99x = 533,435,453,485.35 - Step 5: Solve for x
x = 533,435,453,485.35/841,391.99 - Step 6: Final answer
x = 633,991.60
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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.