Finding the Fourth Proportional to 885,378.66, 1,327,279.02 and 324,281.94
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Solution
The fourth proportional to 885,378.66, 1,327,279.02 and 324,281.94 is: 486,133.94
Step by Step Solution
- Step 1: Write the proportion equation
885,378.66 : 1,327,279.02 = 324,281.94 : x - Step 2: Convert to fraction form
885,378.66/1,327,279.02 = 324,281.94/x - Step 3: Cross multiply
885,378.66x = 1,327,279.02 × 324,281.94 - Step 4: Simplify right side
885,378.66x = 430,412,615,526.90 - Step 5: Solve for x
x = 430,412,615,526.90/885,378.66 - Step 6: Final answer
x = 486,133.94
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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.