Finding the Fourth Proportional to 624,487.70, 936,512.85 and 324,868.70
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Solution
The fourth proportional to 624,487.70, 936,512.85 and 324,868.70 is: 487,189.28
Step by Step Solution
- Step 1: Write the proportion equation
624,487.70 : 936,512.85 = 324,868.70 : x - Step 2: Convert to fraction form
624,487.70/936,512.85 = 324,868.70/x - Step 3: Cross multiply
624,487.70x = 936,512.85 × 324,868.70 - Step 4: Simplify right side
624,487.70x = 304,243,712,112.80 - Step 5: Solve for x
x = 304,243,712,112.80/624,487.70 - Step 6: Final answer
x = 487,189.28
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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.