Finding the Fourth Proportional to 624,745.21, 936,998.64 and 304,575.70
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Solution
The fourth proportional to 624,745.21, 936,998.64 and 304,575.70 is: 456,805.45
Step by Step Solution
- Step 1: Write the proportion equation
624,745.21 : 936,998.64 = 304,575.70 : x - Step 2: Convert to fraction form
624,745.21/936,998.64 = 304,575.70/x - Step 3: Cross multiply
624,745.21x = 936,998.64 × 304,575.70 - Step 4: Simplify right side
624,745.21x = 285,387,014,334.55 - Step 5: Solve for x
x = 285,387,014,334.55/624,745.21 - Step 6: Final answer
x = 456,805.45
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1.5x scale
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.