Finding the Fourth Proportional to 617,239.36, 851,770.74 and 345,312.01
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Solution
The fourth proportional to 617,239.36, 851,770.74 and 345,312.01 is: 476,519.62
Step by Step Solution
- Step 1: Write the proportion equation
617,239.36 : 851,770.74 = 345,312.01 : x - Step 2: Convert to fraction form
617,239.36/851,770.74 = 345,312.01/x - Step 3: Cross multiply
617,239.36x = 851,770.74 × 345,312.01 - Step 4: Simplify right side
617,239.36x = 294,126,666,288.59 - Step 5: Solve for x
x = 294,126,666,288.59/617,239.36 - Step 6: Final answer
x = 476,519.62
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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.