Finding the Fourth Proportional to 684,119.07, 944,077.86 and 378,203.31
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Solution
The fourth proportional to 684,119.07, 944,077.86 and 378,203.31 is: 521,917.00
Step by Step Solution
- Step 1: Write the proportion equation
684,119.07 : 944,077.86 = 378,203.31 : x - Step 2: Convert to fraction form
684,119.07/944,077.86 = 378,203.31/x - Step 3: Cross multiply
684,119.07x = 944,077.86 × 378,203.31 - Step 4: Simplify right side
684,119.07x = 357,053,371,549.72 - Step 5: Solve for x
x = 357,053,371,549.72/684,119.07 - Step 6: Final answer
x = 521,917.00
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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.