Finding the Fourth Proportional to 574,300.48, 793,231.14 and 421,117.60
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Solution
The fourth proportional to 574,300.48, 793,231.14 and 421,117.60 is: 581,652.99
Step by Step Solution
- Step 1: Write the proportion equation
574,300.48 : 793,231.14 = 421,117.60 : x - Step 2: Convert to fraction form
574,300.48/793,231.14 = 421,117.60/x - Step 3: Cross multiply
574,300.48x = 793,231.14 × 421,117.60 - Step 4: Simplify right side
574,300.48x = 334,043,593,922.06 - Step 5: Solve for x
x = 334,043,593,922.06/574,300.48 - Step 6: Final answer
x = 581,652.99
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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.