Finding the Fourth Proportional to 845,220.42, 1,268,956.80 and 490,489.02
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Solution
The fourth proportional to 845,220.42, 1,268,956.80 and 490,489.02 is: 736,387.06
Step by Step Solution
- Step 1: Write the proportion equation
845,220.42 : 1,268,956.80 = 490,489.02 : x - Step 2: Convert to fraction form
845,220.42/1,268,956.80 = 490,489.02/x - Step 3: Cross multiply
845,220.42x = 1,268,956.80 × 490,489.02 - Step 4: Simplify right side
845,220.42x = 622,409,377,254.34 - Step 5: Solve for x
x = 622,409,377,254.34/845,220.42 - Step 6: Final answer
x = 736,387.06
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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.