Finding the Fourth Proportional to 819,626.12, 1,229,658.06 and 258,671.24
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Solution
The fourth proportional to 819,626.12, 1,229,658.06 and 258,671.24 is: 388,075.94
Step by Step Solution
- Step 1: Write the proportion equation
819,626.12 : 1,229,658.06 = 258,671.24 : x - Step 2: Convert to fraction form
819,626.12/1,229,658.06 = 258,671.24/x - Step 3: Cross multiply
819,626.12x = 1,229,658.06 × 258,671.24 - Step 4: Simplify right side
819,626.12x = 318,077,175,156.19 - Step 5: Solve for x
x = 318,077,175,156.19/819,626.12 - Step 6: Final answer
x = 388,075.94
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1.5x scale
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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.