Finding the Fourth Proportional to 861,847.61, 1,292,859.70 and 329,816.12
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Solution
The fourth proportional to 861,847.61, 1,292,859.70 and 329,816.12 is: 494,757.96
Step by Step Solution
- Step 1: Write the proportion equation
861,847.61 : 1,292,859.70 = 329,816.12 : x - Step 2: Convert to fraction form
861,847.61/1,292,859.70 = 329,816.12/x - Step 3: Cross multiply
861,847.61x = 1,292,859.70 × 329,816.12 - Step 4: Simplify right side
861,847.61x = 426,405,962,669.53 - Step 5: Solve for x
x = 426,405,962,669.53/861,847.61 - Step 6: Final answer
x = 494,757.96
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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.