Finding the Fourth Proportional to 759,633.68, 1,045,894.92 and 668,928.08
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Solution
The fourth proportional to 759,633.68, 1,045,894.92 and 668,928.08 is: 921,007.72
Step by Step Solution
- Step 1: Write the proportion equation
759,633.68 : 1,045,894.92 = 668,928.08 : x - Step 2: Convert to fraction form
759,633.68/1,045,894.92 = 668,928.08/x - Step 3: Cross multiply
759,633.68x = 1,045,894.92 × 668,928.08 - Step 4: Simplify right side
759,633.68x = 699,628,480,717.35 - Step 5: Solve for x
x = 699,628,480,717.35/759,633.68 - Step 6: Final answer
x = 921,007.72
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.