Finding the Fourth Proportional to 808,818.48, 1,212,373.68 and 303,048.96
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Solution
The fourth proportional to 808,818.48, 1,212,373.68 and 303,048.96 is: 454,253.45
Step by Step Solution
- Step 1: Write the proportion equation
808,818.48 : 1,212,373.68 = 303,048.96 : x - Step 2: Convert to fraction form
808,818.48/1,212,373.68 = 303,048.96/x - Step 3: Cross multiply
808,818.48x = 1,212,373.68 × 303,048.96 - Step 4: Simplify right side
808,818.48x = 367,408,582,855.37 - Step 5: Solve for x
x = 367,408,582,855.37/808,818.48 - Step 6: Final answer
x = 454,253.45
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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.