Finding the Fourth Proportional to 684,177.44, 944,137.01 and 378,234.36
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Solution
The fourth proportional to 684,177.44, 944,137.01 and 378,234.36 is: 521,948.02
Step by Step Solution
- Step 1: Write the proportion equation
684,177.44 : 944,137.01 = 378,234.36 : x - Step 2: Convert to fraction form
684,177.44/944,137.01 = 378,234.36/x - Step 3: Cross multiply
684,177.44x = 944,137.01 × 378,234.36 - Step 4: Simplify right side
684,177.44x = 357,105,058,675.25 - Step 5: Solve for x
x = 357,105,058,675.25/684,177.44 - Step 6: Final answer
x = 521,948.02
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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.