Finding the Fourth Proportional to 683,942.48, 943,811.18 and 378,003.06
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Solution
The fourth proportional to 683,942.48, 943,811.18 and 378,003.06 is: 521,627.95
Step by Step Solution
- Step 1: Write the proportion equation
683,942.48 : 943,811.18 = 378,003.06 : x - Step 2: Convert to fraction form
683,942.48/943,811.18 = 378,003.06/x - Step 3: Cross multiply
683,942.48x = 943,811.18 × 378,003.06 - Step 4: Simplify right side
683,942.48x = 356,763,514,102.21 - Step 5: Solve for x
x = 356,763,514,102.21/683,942.48 - Step 6: Final answer
x = 521,627.95
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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.