Finding the Fourth Proportional to 692,078.09, 1,037,482.91 and 242,553.92
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Solution
The fourth proportional to 692,078.09, 1,037,482.91 and 242,553.92 is: 363,608.60
Step by Step Solution
- Step 1: Write the proportion equation
692,078.09 : 1,037,482.91 = 242,553.92 : x - Step 2: Convert to fraction form
692,078.09/1,037,482.91 = 242,553.92/x - Step 3: Cross multiply
692,078.09x = 1,037,482.91 × 242,553.92 - Step 4: Simplify right side
692,078.09x = 251,645,545,540.74 - Step 5: Solve for x
x = 251,645,545,540.74/692,078.09 - Step 6: Final answer
x = 363,608.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.