Finding the Fourth Proportional to 716,660.84, 1,075,406.62 and 361,702.60
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Solution
The fourth proportional to 716,660.84, 1,075,406.62 and 361,702.60 is: 542,763.53
Step by Step Solution
- Step 1: Write the proportion equation
716,660.84 : 1,075,406.62 = 361,702.60 : x - Step 2: Convert to fraction form
716,660.84/1,075,406.62 = 361,702.60/x - Step 3: Cross multiply
716,660.84x = 1,075,406.62 × 361,702.60 - Step 4: Simplify right side
716,660.84x = 388,977,370,511.21 - Step 5: Solve for x
x = 388,977,370,511.21/716,660.84 - Step 6: Final answer
x = 542,763.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.