Finding the Fourth Proportional to 684,295.44, 944,287.14 and 378,347.81
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Solution
The fourth proportional to 684,295.44, 944,287.14 and 378,347.81 is: 522,097.55
Step by Step Solution
- Step 1: Write the proportion equation
684,295.44 : 944,287.14 = 378,347.81 : x - Step 2: Convert to fraction form
684,295.44/944,287.14 = 378,347.81/x - Step 3: Cross multiply
684,295.44x = 944,287.14 × 378,347.81 - Step 4: Simplify right side
684,295.44x = 357,268,972,375.04 - Step 5: Solve for x
x = 357,268,972,375.04/684,295.44 - Step 6: Final answer
x = 522,097.55
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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.