Finding the Fourth Proportional to 916,251.68, 1,374,704.88 and 557,153.12
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Solution
The fourth proportional to 916,251.68, 1,374,704.88 and 557,153.12 is: 835,928.74
Step by Step Solution
- Step 1: Write the proportion equation
916,251.68 : 1,374,704.88 = 557,153.12 : x - Step 2: Convert to fraction form
916,251.68/1,374,704.88 = 557,153.12/x - Step 3: Cross multiply
916,251.68x = 1,374,704.88 × 557,153.12 - Step 4: Simplify right side
916,251.68x = 765,921,112,971.23 - Step 5: Solve for x
x = 765,921,112,971.23/916,251.68 - Step 6: Final answer
x = 835,928.74
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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.