Finding the Fourth Proportional to 924,689.96, 1,387,435.62 and 326,078.84
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Solution
The fourth proportional to 924,689.96, 1,387,435.62 and 326,078.84 is: 489,259.55
Step by Step Solution
- Step 1: Write the proportion equation
924,689.96 : 1,387,435.62 = 326,078.84 : x - Step 2: Convert to fraction form
924,689.96/1,387,435.62 = 326,078.84/x - Step 3: Cross multiply
924,689.96x = 1,387,435.62 × 326,078.84 - Step 4: Simplify right side
924,689.96x = 452,413,397,544.28 - Step 5: Solve for x
x = 452,413,397,544.28/924,689.96 - Step 6: Final answer
x = 489,259.55
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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.