Finding the Fourth Proportional to 683,707.14, 1,025,782.14 and 328,675.02
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Solution
The fourth proportional to 683,707.14, 1,025,782.14 and 328,675.02 is: 493,118.98
Step by Step Solution
- Step 1: Write the proportion equation
683,707.14 : 1,025,782.14 = 328,675.02 : x - Step 2: Convert to fraction form
683,707.14/1,025,782.14 = 328,675.02/x - Step 3: Cross multiply
683,707.14x = 1,025,782.14 × 328,675.02 - Step 4: Simplify right side
683,707.14x = 337,148,965,380.14 - Step 5: Solve for x
x = 337,148,965,380.14/683,707.14 - Step 6: Final answer
x = 493,118.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.