Finding the Fourth Proportional to 866,953.48, 1,196,347.68 and 484,906.45
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Solution
The fourth proportional to 866,953.48, 1,196,347.68 and 484,906.45 is: 669,143.99
Step by Step Solution
- Step 1: Write the proportion equation
866,953.48 : 1,196,347.68 = 484,906.45 : x - Step 2: Convert to fraction form
866,953.48/1,196,347.68 = 484,906.45/x - Step 3: Cross multiply
866,953.48x = 1,196,347.68 × 484,906.45 - Step 4: Simplify right side
866,953.48x = 580,116,706,474.54 - Step 5: Solve for x
x = 580,116,706,474.54/866,953.48 - Step 6: Final answer
x = 669,143.99
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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.