Finding the Fourth Proportional to 756,075.40, 1,134,113.10 and 738,360.70
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Solution
The fourth proportional to 756,075.40, 1,134,113.10 and 738,360.70 is: 1,107,541.05
Step by Step Solution
- Step 1: Write the proportion equation
756,075.40 : 1,134,113.10 = 738,360.70 : x - Step 2: Convert to fraction form
756,075.40/1,134,113.10 = 738,360.70/x - Step 3: Cross multiply
756,075.40x = 1,134,113.10 × 738,360.70 - Step 4: Simplify right side
756,075.40x = 837,384,542,395.17 - Step 5: Solve for x
x = 837,384,542,395.17/756,075.40 - Step 6: Final answer
x = 1,107,541.05
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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.