Finding the Fourth Proportional to 804,479.40, 1,206,703.58 and 324,694.53
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Solution
The fourth proportional to 804,479.40, 1,206,703.58 and 324,694.53 is: 487,035.53
Step by Step Solution
- Step 1: Write the proportion equation
804,479.40 : 1,206,703.58 = 324,694.53 : x - Step 2: Convert to fraction form
804,479.40/1,206,703.58 = 324,694.53/x - Step 3: Cross multiply
804,479.40x = 1,206,703.58 × 324,694.53 - Step 4: Simplify right side
804,479.40x = 391,810,050,133.95 - Step 5: Solve for x
x = 391,810,050,133.95/804,479.40 - Step 6: Final answer
x = 487,035.53
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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.