Finding the Fourth Proportional to 885,376.66, 1,327,276.05 and 324,279.94
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Solution
The fourth proportional to 885,376.66, 1,327,276.05 and 324,279.94 is: 486,130.95
Step by Step Solution
- Step 1: Write the proportion equation
885,376.66 : 1,327,276.05 = 324,279.94 : x - Step 2: Convert to fraction form
885,376.66/1,327,276.05 = 324,279.94/x - Step 3: Cross multiply
885,376.66x = 1,327,276.05 × 324,279.94 - Step 4: Simplify right side
885,376.66x = 430,408,997,857.44 - Step 5: Solve for x
x = 430,408,997,857.44/885,376.66 - Step 6: Final answer
x = 486,130.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.