Finding the Fourth Proportional to 995,473.80, 1,493,210.70 and 330,625.80
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Solution
The fourth proportional to 995,473.80, 1,493,210.70 and 330,625.80 is: 495,938.70
Step by Step Solution
- Step 1: Write the proportion equation
995,473.80 : 1,493,210.70 = 330,625.80 : x - Step 2: Convert to fraction form
995,473.80/1,493,210.70 = 330,625.80/x - Step 3: Cross multiply
995,473.80x = 1,493,210.70 × 330,625.80 - Step 4: Simplify right side
995,473.80x = 493,693,982,256.06 - Step 5: Solve for x
x = 493,693,982,256.06/995,473.80 - Step 6: Final answer
x = 495,938.70
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1.5x scale
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.