Finding the Fourth Proportional to 612,875.93, 918,517.44 and 342,992.84
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Solution
The fourth proportional to 612,875.93, 918,517.44 and 342,992.84 is: 514,043.52
Step by Step Solution
- Step 1: Write the proportion equation
612,875.93 : 918,517.44 = 342,992.84 : x - Step 2: Convert to fraction form
612,875.93/918,517.44 = 342,992.84/x - Step 3: Cross multiply
612,875.93x = 918,517.44 × 342,992.84 - Step 4: Simplify right side
612,875.93x = 315,044,900,742.54 - Step 5: Solve for x
x = 315,044,900,742.54/612,875.93 - Step 6: Final answer
x = 514,043.52
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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.