Finding the Fourth Proportional to 683,728.24, 943,525.08 and 377,799.76
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Solution
The fourth proportional to 683,728.24, 943,525.08 and 377,799.76 is: 521,352.68
Step by Step Solution
- Step 1: Write the proportion equation
683,728.24 : 943,525.08 = 377,799.76 : x - Step 2: Convert to fraction form
683,728.24/943,525.08 = 377,799.76/x - Step 3: Cross multiply
683,728.24x = 943,525.08 × 377,799.76 - Step 4: Simplify right side
683,728.24x = 356,463,548,777.98 - Step 5: Solve for x
x = 356,463,548,777.98/683,728.24 - Step 6: Final answer
x = 521,352.68
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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.