Finding the Fourth Proportional to 452,824.80, 624,704.40 and 282,763.68
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Solution
The fourth proportional to 452,824.80, 624,704.40 and 282,763.68 is: 390,092.85
Step by Step Solution
- Step 1: Write the proportion equation
452,824.80 : 624,704.40 = 282,763.68 : x - Step 2: Convert to fraction form
452,824.80/624,704.40 = 282,763.68/x - Step 3: Cross multiply
452,824.80x = 624,704.40 × 282,763.68 - Step 4: Simplify right side
452,824.80x = 176,643,715,056.19 - Step 5: Solve for x
x = 176,643,715,056.19/452,824.80 - Step 6: Final answer
x = 390,092.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.