Finding the Fourth Proportional to 678,297.24, 1,017,467.58 and 341,153.88
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Solution
The fourth proportional to 678,297.24, 1,017,467.58 and 341,153.88 is: 511,741.74
Step by Step Solution
- Step 1: Write the proportion equation
678,297.24 : 1,017,467.58 = 341,153.88 : x - Step 2: Convert to fraction form
678,297.24/1,017,467.58 = 341,153.88/x - Step 3: Cross multiply
678,297.24x = 1,017,467.58 × 341,153.88 - Step 4: Simplify right side
678,297.24x = 347,113,012,691.21 - Step 5: Solve for x
x = 347,113,012,691.21/678,297.24 - Step 6: Final answer
x = 511,741.74
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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.