Finding the Fourth Proportional to 771,415.57, 1,157,199.46 and 265,909.99
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Solution
The fourth proportional to 771,415.57, 1,157,199.46 and 265,909.99 is: 398,891.22
Step by Step Solution
- Step 1: Write the proportion equation
771,415.57 : 1,157,199.46 = 265,909.99 : x - Step 2: Convert to fraction form
771,415.57/1,157,199.46 = 265,909.99/x - Step 3: Cross multiply
771,415.57x = 1,157,199.46 × 265,909.99 - Step 4: Simplify right side
771,415.57x = 307,710,896,836.61 - Step 5: Solve for x
x = 307,710,896,836.61/771,415.57 - Step 6: Final answer
x = 398,891.22
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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.