Finding the Fourth Proportional to 777,766.26, 1,073,318.04 and 420,070.26
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Solution
The fourth proportional to 777,766.26, 1,073,318.04 and 420,070.26 is: 579,697.28
Step by Step Solution
- Step 1: Write the proportion equation
777,766.26 : 1,073,318.04 = 420,070.26 : x - Step 2: Convert to fraction form
777,766.26/1,073,318.04 = 420,070.26/x - Step 3: Cross multiply
777,766.26x = 1,073,318.04 × 420,070.26 - Step 4: Simplify right side
777,766.26x = 450,868,988,125.49 - Step 5: Solve for x
x = 450,868,988,125.49/777,766.26 - Step 6: Final answer
x = 579,697.28
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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.