Finding the Fourth Proportional to 752,696.84, 1,038,715.38 and 413,144.84
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Solution
The fourth proportional to 752,696.84, 1,038,715.38 and 413,144.84 is: 570,136.44
Step by Step Solution
- Step 1: Write the proportion equation
752,696.84 : 1,038,715.38 = 413,144.84 : x - Step 2: Convert to fraction form
752,696.84/1,038,715.38 = 413,144.84/x - Step 3: Cross multiply
752,696.84x = 1,038,715.38 × 413,144.84 - Step 4: Simplify right side
752,696.84x = 429,139,899,475.64 - Step 5: Solve for x
x = 429,139,899,475.64/752,696.84 - Step 6: Final answer
x = 570,136.44
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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.