Finding the Fourth Proportional to 684,214.08, 944,143.10 and 378,241.14
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Solution
The fourth proportional to 684,214.08, 944,143.10 and 378,241.14 is: 521,932.79
Step by Step Solution
- Step 1: Write the proportion equation
684,214.08 : 944,143.10 = 378,241.14 : x - Step 2: Convert to fraction form
684,214.08/944,143.10 = 378,241.14/x - Step 3: Cross multiply
684,214.08x = 944,143.10 × 378,241.14 - Step 4: Simplify right side
684,214.08x = 357,113,760,575.93 - Step 5: Solve for x
x = 357,113,760,575.93/684,214.08 - Step 6: Final answer
x = 521,932.79
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1.5x scale
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.