Finding the Fourth Proportional to 486,635.24, 729,783.78 and 270,823.28
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Solution
The fourth proportional to 486,635.24, 729,783.78 and 270,823.28 is: 406,140.82
Step by Step Solution
- Step 1: Write the proportion equation
486,635.24 : 729,783.78 = 270,823.28 : x - Step 2: Convert to fraction form
486,635.24/729,783.78 = 270,823.28/x - Step 3: Cross multiply
486,635.24x = 729,783.78 × 270,823.28 - Step 4: Simplify right side
486,635.24x = 197,642,436,990.40 - Step 5: Solve for x
x = 197,642,436,990.40/486,635.24 - Step 6: Final answer
x = 406,140.82
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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.