Finding the Fourth Proportional to 841,082.86, 1,160,679.54 and 478,498.99
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Solution
The fourth proportional to 841,082.86, 1,160,679.54 and 478,498.99 is: 660,320.18
Step by Step Solution
- Step 1: Write the proportion equation
841,082.86 : 1,160,679.54 = 478,498.99 : x - Step 2: Convert to fraction form
841,082.86/1,160,679.54 = 478,498.99/x - Step 3: Cross multiply
841,082.86x = 1,160,679.54 × 478,498.99 - Step 4: Simplify right side
841,082.86x = 555,383,984,635.28 - Step 5: Solve for x
x = 555,383,984,635.28/841,082.86 - Step 6: Final answer
x = 660,320.18
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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.