Finding the Fourth Proportional to 621,698.96, 857,976.08 and 367,044.68
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Solution
The fourth proportional to 621,698.96, 857,976.08 and 367,044.68 is: 506,540.26
Step by Step Solution
- Step 1: Write the proportion equation
621,698.96 : 857,976.08 = 367,044.68 : x - Step 2: Convert to fraction form
621,698.96/857,976.08 = 367,044.68/x - Step 3: Cross multiply
621,698.96x = 857,976.08 × 367,044.68 - Step 4: Simplify right side
621,698.96x = 314,915,555,731.25 - Step 5: Solve for x
x = 314,915,555,731.25/621,698.96 - Step 6: Final answer
x = 506,540.26
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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.