Finding the Fourth Proportional to 573,639.84, 791,529.84 and 318,984.48
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Solution
The fourth proportional to 573,639.84, 791,529.84 and 318,984.48 is: 440,146.79
Step by Step Solution
- Step 1: Write the proportion equation
573,639.84 : 791,529.84 = 318,984.48 : x - Step 2: Convert to fraction form
573,639.84/791,529.84 = 318,984.48/x - Step 3: Cross multiply
573,639.84x = 791,529.84 × 318,984.48 - Step 4: Simplify right side
573,639.84x = 252,485,734,416.88 - Step 5: Solve for x
x = 252,485,734,416.88/573,639.84 - Step 6: Final answer
x = 440,146.79
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.