Finding the Fourth Proportional to 853,311.40, 1,177,562.34 and 471,364.84
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Solution
The fourth proportional to 853,311.40, 1,177,562.34 and 471,364.84 is: 650,479.40
Step by Step Solution
- Step 1: Write the proportion equation
853,311.40 : 1,177,562.34 = 471,364.84 : x - Step 2: Convert to fraction form
853,311.40/1,177,562.34 = 471,364.84/x - Step 3: Cross multiply
853,311.40x = 1,177,562.34 × 471,364.84 - Step 4: Simplify right side
853,311.40x = 555,061,483,984.13 - Step 5: Solve for x
x = 555,061,483,984.13/853,311.40 - Step 6: Final answer
x = 650,479.40
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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.