Finding the Fourth Proportional to 678,459.99, 1,017,807.35 and 229,184.13
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Solution
The fourth proportional to 678,459.99, 1,017,807.35 and 229,184.13 is: 343,815.84
Step by Step Solution
- Step 1: Write the proportion equation
678,459.99 : 1,017,807.35 = 229,184.13 : x - Step 2: Convert to fraction form
678,459.99/1,017,807.35 = 229,184.13/x - Step 3: Cross multiply
678,459.99x = 1,017,807.35 × 229,184.13 - Step 4: Simplify right side
678,459.99x = 233,265,290,871.44 - Step 5: Solve for x
x = 233,265,290,871.44/678,459.99 - Step 6: Final answer
x = 343,815.84
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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.