Finding the Fourth Proportional to 994,956.48, 1,373,073.12 and 542,263.68
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Solution
The fourth proportional to 994,956.48, 1,373,073.12 and 542,263.68 is: 748,341.96
Step by Step Solution
- Step 1: Write the proportion equation
994,956.48 : 1,373,073.12 = 542,263.68 : x - Step 2: Convert to fraction form
994,956.48/1,373,073.12 = 542,263.68/x - Step 3: Cross multiply
994,956.48x = 1,373,073.12 × 542,263.68 - Step 4: Simplify right side
994,956.48x = 744,567,682,960.28 - Step 5: Solve for x
x = 744,567,682,960.28/994,956.48 - Step 6: Final answer
x = 748,341.96
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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.