Finding the Fourth Proportional to 995,272.14, 1,492,908.24 and 330,424.14
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Solution
The fourth proportional to 995,272.14, 1,492,908.24 and 330,424.14 is: 495,636.22
Step by Step Solution
- Step 1: Write the proportion equation
995,272.14 : 1,492,908.24 = 330,424.14 : x - Step 2: Convert to fraction form
995,272.14/1,492,908.24 = 330,424.14/x - Step 3: Cross multiply
995,272.14x = 1,492,908.24 × 330,424.14 - Step 4: Simplify right side
995,272.14x = 493,292,921,300.91 - Step 5: Solve for x
x = 493,292,921,300.91/995,272.14 - Step 6: Final answer
x = 495,636.22
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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.