Finding the Fourth Proportional to 851,969.29, 1,175,698.68 and 469,995.97
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Solution
The fourth proportional to 851,969.29, 1,175,698.68 and 469,995.97 is: 648,583.99
Step by Step Solution
- Step 1: Write the proportion equation
851,969.29 : 1,175,698.68 = 469,995.97 : x - Step 2: Convert to fraction form
851,969.29/1,175,698.68 = 469,995.97/x - Step 3: Cross multiply
851,969.29x = 1,175,698.68 × 469,995.97 - Step 4: Simplify right side
851,969.29x = 552,573,641,680.75 - Step 5: Solve for x
x = 552,573,641,680.75/851,969.29 - Step 6: Final answer
x = 648,583.99
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1.5x scale
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.