Finding the Fourth Proportional to 659,347.48, 909,919.34 and 372,861.82
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Solution
The fourth proportional to 659,347.48, 909,919.34 and 372,861.82 is: 514,560.52
Step by Step Solution
- Step 1: Write the proportion equation
659,347.48 : 909,919.34 = 372,861.82 : x - Step 2: Convert to fraction form
659,347.48/909,919.34 = 372,861.82/x - Step 3: Cross multiply
659,347.48x = 909,919.34 × 372,861.82 - Step 4: Simplify right side
659,347.48x = 339,274,181,165.60 - Step 5: Solve for x
x = 339,274,181,165.60/659,347.48 - Step 6: Final answer
x = 514,560.52
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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.