Finding the Fourth Proportional to 841,224.72, 1,160,956.36 and 478,663.84
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Solution
The fourth proportional to 841,224.72, 1,160,956.36 and 478,663.84 is: 660,593.79
Step by Step Solution
- Step 1: Write the proportion equation
841,224.72 : 1,160,956.36 = 478,663.84 : x - Step 2: Convert to fraction form
841,224.72/1,160,956.36 = 478,663.84/x - Step 3: Cross multiply
841,224.72x = 1,160,956.36 × 478,663.84 - Step 4: Simplify right side
841,224.72x = 555,707,829,350.02 - Step 5: Solve for x
x = 555,707,829,350.02/841,224.72 - Step 6: Final answer
x = 660,593.79
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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.