Finding the Fourth Proportional to 901,184.96, 1,243,635.60 and 493,288.88
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Solution
The fourth proportional to 901,184.96, 1,243,635.60 and 493,288.88 is: 680,738.85
Step by Step Solution
- Step 1: Write the proportion equation
901,184.96 : 1,243,635.60 = 493,288.88 : x - Step 2: Convert to fraction form
901,184.96/1,243,635.60 = 493,288.88/x - Step 3: Cross multiply
901,184.96x = 1,243,635.60 × 493,288.88 - Step 4: Simplify right side
901,184.96x = 613,471,612,252.13 - Step 5: Solve for x
x = 613,471,612,252.13/901,184.96 - Step 6: Final answer
x = 680,738.85
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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.