Finding the Fourth Proportional to 763,623.11, 1,053,738.42 and 441,354.08
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Solution
The fourth proportional to 763,623.11, 1,053,738.42 and 441,354.08 is: 609,033.10
Step by Step Solution
- Step 1: Write the proportion equation
763,623.11 : 1,053,738.42 = 441,354.08 : x - Step 2: Convert to fraction form
763,623.11/1,053,738.42 = 441,354.08/x - Step 3: Cross multiply
763,623.11x = 1,053,738.42 × 441,354.08 - Step 4: Simplify right side
763,623.11x = 465,071,751,899.02 - Step 5: Solve for x
x = 465,071,751,899.02/763,623.11 - Step 6: Final answer
x = 609,033.10
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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.