Finding the Fourth Proportional to 700,501.64, 966,751.80 and 394,638.08
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Solution
The fourth proportional to 700,501.64, 966,751.80 and 394,638.08 is: 544,634.09
Step by Step Solution
- Step 1: Write the proportion equation
700,501.64 : 966,751.80 = 394,638.08 : x - Step 2: Convert to fraction form
700,501.64/966,751.80 = 394,638.08/x - Step 3: Cross multiply
700,501.64x = 966,751.80 × 394,638.08 - Step 4: Simplify right side
700,501.64x = 381,517,074,188.54 - Step 5: Solve for x
x = 381,517,074,188.54/700,501.64 - Step 6: Final answer
x = 544,634.09
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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.