Finding the Fourth Proportional to 980,730.84, 1,471,094.09 and 261,072.71
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Solution
The fourth proportional to 980,730.84, 1,471,094.09 and 261,072.71 is: 391,608.48
Step by Step Solution
- Step 1: Write the proportion equation
980,730.84 : 1,471,094.09 = 261,072.71 : x - Step 2: Convert to fraction form
980,730.84/1,471,094.09 = 261,072.71/x - Step 3: Cross multiply
980,730.84x = 1,471,094.09 × 261,072.71 - Step 4: Simplify right side
980,730.84x = 384,062,512,080.45 - Step 5: Solve for x
x = 384,062,512,080.45/980,730.84 - Step 6: Final answer
x = 391,608.48
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.