Finding the Fourth Proportional to 841,701.84, 1,161,501.48 and 479,214.24
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Solution
The fourth proportional to 841,701.84, 1,161,501.48 and 479,214.24 is: 661,288.86
Step by Step Solution
- Step 1: Write the proportion equation
841,701.84 : 1,161,501.48 = 479,214.24 : x - Step 2: Convert to fraction form
841,701.84/1,161,501.48 = 479,214.24/x - Step 3: Cross multiply
841,701.84x = 1,161,501.48 × 479,214.24 - Step 4: Simplify right side
841,701.84x = 556,608,048,997.08 - Step 5: Solve for x
x = 556,608,048,997.08/841,701.84 - Step 6: Final answer
x = 661,288.86
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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.