Finding the Fourth Proportional to 716,591.55, 988,783.39 and 410,609.09
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Solution
The fourth proportional to 716,591.55, 988,783.39 and 410,609.09 is: 566,575.82
Step by Step Solution
- Step 1: Write the proportion equation
716,591.55 : 988,783.39 = 410,609.09 : x - Step 2: Convert to fraction form
716,591.55/988,783.39 = 410,609.09/x - Step 3: Cross multiply
716,591.55x = 988,783.39 × 410,609.09 - Step 4: Simplify right side
716,591.55x = 406,003,443,544.36 - Step 5: Solve for x
x = 406,003,443,544.36/716,591.55 - Step 6: Final answer
x = 566,575.82
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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.