Finding the Fourth Proportional to 744,361.68, 1,116,119.70 and 507,990.72
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Solution
The fourth proportional to 744,361.68, 1,116,119.70 and 507,990.72 is: 761,697.53
Step by Step Solution
- Step 1: Write the proportion equation
744,361.68 : 1,116,119.70 = 507,990.72 : x - Step 2: Convert to fraction form
744,361.68/1,116,119.70 = 507,990.72/x - Step 3: Cross multiply
744,361.68x = 1,116,119.70 × 507,990.72 - Step 4: Simplify right side
744,361.68x = 566,978,450,009.18 - Step 5: Solve for x
x = 566,978,450,009.18/744,361.68 - Step 6: Final answer
x = 761,697.53
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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.