Finding the Fourth Proportional to 853,592.68, 1,177,981.68 and 471,644.08
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Solution
The fourth proportional to 853,592.68, 1,177,981.68 and 471,644.08 is: 650,881.97
Step by Step Solution
- Step 1: Write the proportion equation
853,592.68 : 1,177,981.68 = 471,644.08 : x - Step 2: Convert to fraction form
853,592.68/1,177,981.68 = 471,644.08/x - Step 3: Cross multiply
853,592.68x = 1,177,981.68 × 471,644.08 - Step 4: Simplify right side
853,592.68x = 555,588,085,720.45 - Step 5: Solve for x
x = 555,588,085,720.45/853,592.68 - Step 6: Final answer
x = 650,881.97
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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.