Finding the Fourth Proportional to 804,438.54, 1,206,651.20 and 324,659.00
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Solution
The fourth proportional to 804,438.54, 1,206,651.20 and 324,659.00 is: 486,985.83
Step by Step Solution
- Step 1: Write the proportion equation
804,438.54 : 1,206,651.20 = 324,659.00 : x - Step 2: Convert to fraction form
804,438.54/1,206,651.20 = 324,659.00/x - Step 3: Cross multiply
804,438.54x = 1,206,651.20 × 324,659.00 - Step 4: Simplify right side
804,438.54x = 391,750,173,334.13 - Step 5: Solve for x
x = 391,750,173,334.13/804,438.54 - Step 6: Final answer
x = 486,985.83
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.