Finding the Fourth Proportional to 684,684.08, 944,846.36 and 378,752.48
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Solution
The fourth proportional to 684,684.08, 944,846.36 and 378,752.48 is: 522,668.65
Step by Step Solution
- Step 1: Write the proportion equation
684,684.08 : 944,846.36 = 378,752.48 : x - Step 2: Convert to fraction form
684,684.08/944,846.36 = 378,752.48/x - Step 3: Cross multiply
684,684.08x = 944,846.36 × 378,752.48 - Step 4: Simplify right side
684,684.08x = 357,862,902,068.97 - Step 5: Solve for x
x = 357,862,902,068.97/684,684.08 - Step 6: Final answer
x = 522,668.65
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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.