Finding the Fourth Proportional to 708,698.68, 1,063,546.16 and 640,939.95
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Solution
The fourth proportional to 708,698.68, 1,063,546.16 and 640,939.95 is: 961,860.44
Step by Step Solution
- Step 1: Write the proportion equation
708,698.68 : 1,063,546.16 = 640,939.95 : x - Step 2: Convert to fraction form
708,698.68/1,063,546.16 = 640,939.95/x - Step 3: Cross multiply
708,698.68x = 1,063,546.16 × 640,939.95 - Step 4: Simplify right side
708,698.68x = 681,669,222,613.09 - Step 5: Solve for x
x = 681,669,222,613.09/708,698.68 - Step 6: Final answer
x = 961,860.44
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.