Finding the Fourth Proportional to 578,847.64, 799,087.40 and 406,912.99
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Solution
The fourth proportional to 578,847.64, 799,087.40 and 406,912.99 is: 561,735.11
Step by Step Solution
- Step 1: Write the proportion equation
578,847.64 : 799,087.40 = 406,912.99 : x - Step 2: Convert to fraction form
578,847.64/799,087.40 = 406,912.99/x - Step 3: Cross multiply
578,847.64x = 799,087.40 × 406,912.99 - Step 4: Simplify right side
578,847.64x = 325,159,041,170.76 - Step 5: Solve for x
x = 325,159,041,170.76/578,847.64 - Step 6: Final answer
x = 561,735.11
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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.