Finding the Fourth Proportional to 918,883.44, 1,268,173.08 and 516,475.44
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Solution
The fourth proportional to 918,883.44, 1,268,173.08 and 516,475.44 is: 712,800.15
Step by Step Solution
- Step 1: Write the proportion equation
918,883.44 : 1,268,173.08 = 516,475.44 : x - Step 2: Convert to fraction form
918,883.44/1,268,173.08 = 516,475.44/x - Step 3: Cross multiply
918,883.44x = 1,268,173.08 × 516,475.44 - Step 4: Simplify right side
918,883.44x = 654,980,249,489.16 - Step 5: Solve for x
x = 654,980,249,489.16/918,883.44 - Step 6: Final answer
x = 712,800.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.