Finding the Fourth Proportional to 917,257.87, 1,265,858.00 and 509,361.30
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Solution
The fourth proportional to 917,257.87, 1,265,858.00 and 509,361.30 is: 702,941.99
Step by Step Solution
- Step 1: Write the proportion equation
917,257.87 : 1,265,858.00 = 509,361.30 : x - Step 2: Convert to fraction form
917,257.87/1,265,858.00 = 509,361.30/x - Step 3: Cross multiply
917,257.87x = 1,265,858.00 × 509,361.30 - Step 4: Simplify right side
917,257.87x = 644,779,075,511.16 - Step 5: Solve for x
x = 644,779,075,511.16/917,257.87 - Step 6: Final answer
x = 702,941.99
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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.