Finding the Fourth Proportional to 755,881.08, 1,043,117.33 and 411,715.94
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Solution
The fourth proportional to 755,881.08, 1,043,117.33 and 411,715.94 is: 568,168.79
Step by Step Solution
- Step 1: Write the proportion equation
755,881.08 : 1,043,117.33 = 411,715.94 : x - Step 2: Convert to fraction form
755,881.08/1,043,117.33 = 411,715.94/x - Step 3: Cross multiply
755,881.08x = 1,043,117.33 × 411,715.94 - Step 4: Simplify right side
755,881.08x = 429,468,032,960.51 - Step 5: Solve for x
x = 429,468,032,960.51/755,881.08 - Step 6: Final answer
x = 568,168.79
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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.