Finding the Fourth Proportional to 790,813.09, 1,091,361.80 and 464,140.26
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Solution
The fourth proportional to 790,813.09, 1,091,361.80 and 464,140.26 is: 640,536.88
Step by Step Solution
- Step 1: Write the proportion equation
790,813.09 : 1,091,361.80 = 464,140.26 : x - Step 2: Convert to fraction form
790,813.09/1,091,361.80 = 464,140.26/x - Step 3: Cross multiply
790,813.09x = 1,091,361.80 × 464,140.26 - Step 4: Simplify right side
790,813.09x = 506,544,951,550.32 - Step 5: Solve for x
x = 506,544,951,550.32/790,813.09 - Step 6: Final answer
x = 640,536.88
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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.