Finding the Fourth Proportional to 925,312.91, 1,387,514.15 and 326,186.99
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Solution
The fourth proportional to 925,312.91, 1,387,514.15 and 326,186.99 is: 489,120.01
Step by Step Solution
- Step 1: Write the proportion equation
925,312.91 : 1,387,514.15 = 326,186.99 : x - Step 2: Convert to fraction form
925,312.91/1,387,514.15 = 326,186.99/x - Step 3: Cross multiply
925,312.91x = 1,387,514.15 × 326,186.99 - Step 4: Simplify right side
925,312.91x = 452,589,055,602.40 - Step 5: Solve for x
x = 452,589,055,602.40/925,312.91 - Step 6: Final answer
x = 489,120.01
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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.