Finding the Fourth Proportional to 624,063.64, 861,212.02 and 382,346.68
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Solution
The fourth proportional to 624,063.64, 861,212.02 and 382,346.68 is: 527,640.99
Step by Step Solution
- Step 1: Write the proportion equation
624,063.64 : 861,212.02 = 382,346.68 : x - Step 2: Convert to fraction form
624,063.64/861,212.02 = 382,346.68/x - Step 3: Cross multiply
624,063.64x = 861,212.02 × 382,346.68 - Step 4: Simplify right side
624,063.64x = 329,281,556,623.09 - Step 5: Solve for x
x = 329,281,556,623.09/624,063.64 - Step 6: Final answer
x = 527,640.99
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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.