Finding the Fourth Proportional to 624,204.80, 936,307.20 and 561,219.20
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Solution
The fourth proportional to 624,204.80, 936,307.20 and 561,219.20 is: 841,828.80
Step by Step Solution
- Step 1: Write the proportion equation
624,204.80 : 936,307.20 = 561,219.20 : x - Step 2: Convert to fraction form
624,204.80/936,307.20 = 561,219.20/x - Step 3: Cross multiply
624,204.80x = 936,307.20 × 561,219.20 - Step 4: Simplify right side
624,204.80x = 525,473,577,738.24 - Step 5: Solve for x
x = 525,473,577,738.24/624,204.80 - Step 6: Final answer
x = 841,828.80
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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.