Finding the Fourth Proportional to 841,130.05, 1,160,744.49 and 478,546.11
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Solution
The fourth proportional to 841,130.05, 1,160,744.49 and 478,546.11 is: 660,385.10
Step by Step Solution
- Step 1: Write the proportion equation
841,130.05 : 1,160,744.49 = 478,546.11 : x - Step 2: Convert to fraction form
841,130.05/1,160,744.49 = 478,546.11/x - Step 3: Cross multiply
841,130.05x = 1,160,744.49 × 478,546.11 - Step 4: Simplify right side
841,130.05x = 555,469,754,589.71 - Step 5: Solve for x
x = 555,469,754,589.71/841,130.05 - Step 6: Final answer
x = 660,385.10
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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.