Finding the Fourth Proportional to 763,066.88, 1,052,842.56 and 423,450.08
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Solution
The fourth proportional to 763,066.88, 1,052,842.56 and 423,450.08 is: 584,255.82
Step by Step Solution
- Step 1: Write the proportion equation
763,066.88 : 1,052,842.56 = 423,450.08 : x - Step 2: Convert to fraction form
763,066.88/1,052,842.56 = 423,450.08/x - Step 3: Cross multiply
763,066.88x = 1,052,842.56 × 423,450.08 - Step 4: Simplify right side
763,066.88x = 445,826,266,259.41 - Step 5: Solve for x
x = 445,826,266,259.41/763,066.88 - Step 6: Final answer
x = 584,255.82
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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.