Finding the Fourth Proportional to 748,252.58, 1,122,544.72 and 215,732.06
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Solution
The fourth proportional to 748,252.58, 1,122,544.72 and 215,732.06 is: 323,645.91
Step by Step Solution
- Step 1: Write the proportion equation
748,252.58 : 1,122,544.72 = 215,732.06 : x - Step 2: Convert to fraction form
748,252.58/1,122,544.72 = 215,732.06/x - Step 3: Cross multiply
748,252.58x = 1,122,544.72 × 215,732.06 - Step 4: Simplify right side
748,252.58x = 242,168,884,887.72 - Step 5: Solve for x
x = 242,168,884,887.72/748,252.58 - Step 6: Final answer
x = 323,645.91
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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.