Finding the Fourth Proportional to 717,136.70, 1,075,361.94 and 417,702.69
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Solution
The fourth proportional to 717,136.70, 1,075,361.94 and 417,702.69 is: 626,354.19
Step by Step Solution
- Step 1: Write the proportion equation
717,136.70 : 1,075,361.94 = 417,702.69 : x - Step 2: Convert to fraction form
717,136.70/1,075,361.94 = 417,702.69/x - Step 3: Cross multiply
717,136.70x = 1,075,361.94 × 417,702.69 - Step 4: Simplify right side
717,136.70x = 449,181,575,061.62 - Step 5: Solve for x
x = 449,181,575,061.62/717,136.70 - Step 6: Final answer
x = 626,354.19
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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.