Finding the Fourth Proportional to 824,682.48, 1,237,056.39 and 392,296.08
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Solution
The fourth proportional to 824,682.48, 1,237,056.39 and 392,296.08 is: 588,459.65
Step by Step Solution
- Step 1: Write the proportion equation
824,682.48 : 1,237,056.39 = 392,296.08 : x - Step 2: Convert to fraction form
824,682.48/1,237,056.39 = 392,296.08/x - Step 3: Cross multiply
824,682.48x = 1,237,056.39 × 392,296.08 - Step 4: Simplify right side
824,682.48x = 485,292,364,389.19 - Step 5: Solve for x
x = 485,292,364,389.19/824,682.48 - Step 6: Final answer
x = 588,459.65
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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.