Finding the Fourth Proportional to 624,202.80, 936,304.20 and 561,217.20
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Solution
The fourth proportional to 624,202.80, 936,304.20 and 561,217.20 is: 841,825.80
Step by Step Solution
- Step 1: Write the proportion equation
624,202.80 : 936,304.20 = 561,217.20 : x - Step 2: Convert to fraction form
624,202.80/936,304.20 = 561,217.20/x - Step 3: Cross multiply
624,202.80x = 936,304.20 × 561,217.20 - Step 4: Simplify right side
624,202.80x = 525,470,021,472.24 - Step 5: Solve for x
x = 525,470,021,472.24/624,202.80 - Step 6: Final answer
x = 841,825.80
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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.