Finding the Fourth Proportional to 564,930.72, 779,816.70 and 374,202.72
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Solution
The fourth proportional to 564,930.72, 779,816.70 and 374,202.72 is: 516,540.38
Step by Step Solution
- Step 1: Write the proportion equation
564,930.72 : 779,816.70 = 374,202.72 : x - Step 2: Convert to fraction form
564,930.72/779,816.70 = 374,202.72/x - Step 3: Cross multiply
564,930.72x = 779,816.70 × 374,202.72 - Step 4: Simplify right side
564,930.72x = 291,809,530,241.42 - Step 5: Solve for x
x = 291,809,530,241.42/564,930.72 - Step 6: Final answer
x = 516,540.38
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1.5x scale
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.