Finding the Fourth Proportional to 737,998.92, 1,018,438.51 and 415,709.02
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Solution
The fourth proportional to 737,998.92, 1,018,438.51 and 415,709.02 is: 573,678.45
Step by Step Solution
- Step 1: Write the proportion equation
737,998.92 : 1,018,438.51 = 415,709.02 : x - Step 2: Convert to fraction form
737,998.92/1,018,438.51 = 415,709.02/x - Step 3: Cross multiply
737,998.92x = 1,018,438.51 × 415,709.02 - Step 4: Simplify right side
737,998.92x = 423,374,074,922.36 - Step 5: Solve for x
x = 423,374,074,922.36/737,998.92 - Step 6: Final answer
x = 573,678.45
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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.