Finding the Fourth Proportional to 995,807.08, 1,493,711.52 and 426,818.94
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Solution
The fourth proportional to 995,807.08, 1,493,711.52 and 426,818.94 is: 640,228.80
Step by Step Solution
- Step 1: Write the proportion equation
995,807.08 : 1,493,711.52 = 426,818.94 : x - Step 2: Convert to fraction form
995,807.08/1,493,711.52 = 426,818.94/x - Step 3: Cross multiply
995,807.08x = 1,493,711.52 × 426,818.94 - Step 4: Simplify right side
995,807.08x = 637,544,367,632.19 - Step 5: Solve for x
x = 637,544,367,632.19/995,807.08 - Step 6: Final answer
x = 640,228.80
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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.