Finding the Fourth Proportional to 888,940.84, 1,226,741.59 and 481,042.63
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Solution
The fourth proportional to 888,940.84, 1,226,741.59 and 481,042.63 is: 663,840.58
Step by Step Solution
- Step 1: Write the proportion equation
888,940.84 : 1,226,741.59 = 481,042.63 : x - Step 2: Convert to fraction form
888,940.84/1,226,741.59 = 481,042.63/x - Step 3: Cross multiply
888,940.84x = 1,226,741.59 × 481,042.63 - Step 4: Simplify right side
888,940.84x = 590,115,000,783.98 - Step 5: Solve for x
x = 590,115,000,783.98/888,940.84 - Step 6: Final answer
x = 663,840.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.