Finding the Fourth Proportional to 864,608.48, 1,193,178.35 and 477,422.91
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Solution
The fourth proportional to 864,608.48, 1,193,178.35 and 477,422.91 is: 658,853.91
Step by Step Solution
- Step 1: Write the proportion equation
864,608.48 : 1,193,178.35 = 477,422.91 : x - Step 2: Convert to fraction form
864,608.48/1,193,178.35 = 477,422.91/x - Step 3: Cross multiply
864,608.48x = 1,193,178.35 × 477,422.91 - Step 4: Simplify right side
864,608.48x = 569,650,680,006.00 - Step 5: Solve for x
x = 569,650,680,006.00/864,608.48 - Step 6: Final answer
x = 658,853.91
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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.