Finding the Fourth Proportional to 684,682.08, 944,843.60 and 378,750.48
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Solution
The fourth proportional to 684,682.08, 944,843.60 and 378,750.48 is: 522,665.89
Step by Step Solution
- Step 1: Write the proportion equation
684,682.08 : 944,843.60 = 378,750.48 : x - Step 2: Convert to fraction form
684,682.08/944,843.60 = 378,750.48/x - Step 3: Cross multiply
684,682.08x = 944,843.60 × 378,750.48 - Step 4: Simplify right side
684,682.08x = 357,859,967,024.93 - Step 5: Solve for x
x = 357,859,967,024.93/684,682.08 - Step 6: Final answer
x = 522,665.89
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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.