Finding the Fourth Proportional to 767,767.92, 1,059,516.79 and 423,625.29
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Solution
The fourth proportional to 767,767.92, 1,059,516.79 and 423,625.29 is: 584,601.28
Step by Step Solution
- Step 1: Write the proportion equation
767,767.92 : 1,059,516.79 = 423,625.29 : x - Step 2: Convert to fraction form
767,767.92/1,059,516.79 = 423,625.29/x - Step 3: Cross multiply
767,767.92x = 1,059,516.79 × 423,625.29 - Step 4: Simplify right side
767,767.92x = 448,838,107,423.62 - Step 5: Solve for x
x = 448,838,107,423.62/767,767.92 - Step 6: Final answer
x = 584,601.28
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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.