Finding the Fourth Proportional to 478,817.08, 718,505.05 and 265,763.79
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Solution
The fourth proportional to 478,817.08, 718,505.05 and 265,763.79 is: 398,800.78
Step by Step Solution
- Step 1: Write the proportion equation
478,817.08 : 718,505.05 = 265,763.79 : x - Step 2: Convert to fraction form
478,817.08/718,505.05 = 265,763.79/x - Step 3: Cross multiply
478,817.08x = 718,505.05 × 265,763.79 - Step 4: Simplify right side
478,817.08x = 190,952,625,222.14 - Step 5: Solve for x
x = 190,952,625,222.14/478,817.08 - Step 6: Final answer
x = 398,800.78
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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.