Finding the Fourth Proportional to 678,297.99, 1,017,468.72 and 341,154.63
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Solution
The fourth proportional to 678,297.99, 1,017,468.72 and 341,154.63 is: 511,742.88
Step by Step Solution
- Step 1: Write the proportion equation
678,297.99 : 1,017,468.72 = 341,154.63 : x - Step 2: Convert to fraction form
678,297.99/1,017,468.72 = 341,154.63/x - Step 3: Cross multiply
678,297.99x = 1,017,468.72 × 341,154.63 - Step 4: Simplify right side
678,297.99x = 347,114,164,708.17 - Step 5: Solve for x
x = 347,114,164,708.17/678,297.99 - Step 6: Final answer
x = 511,742.88
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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.