Finding the Fourth Proportional to 995,320.08, 1,492,980.12 and 330,472.08
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Solution
The fourth proportional to 995,320.08, 1,492,980.12 and 330,472.08 is: 495,708.12
Step by Step Solution
- Step 1: Write the proportion equation
995,320.08 : 1,492,980.12 = 330,472.08 : x - Step 2: Convert to fraction form
995,320.08/1,492,980.12 = 330,472.08/x - Step 3: Cross multiply
995,320.08x = 1,492,980.12 × 330,472.08 - Step 4: Simplify right side
995,320.08x = 493,388,245,655.05 - Step 5: Solve for x
x = 493,388,245,655.05/995,320.08 - Step 6: Final answer
x = 495,708.12
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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.