Finding the Fourth Proportional to 817,107.48, 1,225,694.16 and 284,682.42
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Solution
The fourth proportional to 817,107.48, 1,225,694.16 and 284,682.42 is: 427,035.11
Step by Step Solution
- Step 1: Write the proportion equation
817,107.48 : 1,225,694.16 = 284,682.42 : x - Step 2: Convert to fraction form
817,107.48/1,225,694.16 = 284,682.42/x - Step 3: Cross multiply
817,107.48x = 1,225,694.16 × 284,682.42 - Step 4: Simplify right side
817,107.48x = 348,933,579,648.67 - Step 5: Solve for x
x = 348,933,579,648.67/817,107.48 - Step 6: Final answer
x = 427,035.11
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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.