Finding the Fourth Proportional to 995,001.48, 1,373,138.76 and 565,354.44
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Solution
The fourth proportional to 995,001.48, 1,373,138.76 and 565,354.44 is: 780,209.99
Step by Step Solution
- Step 1: Write the proportion equation
995,001.48 : 1,373,138.76 = 565,354.44 : x - Step 2: Convert to fraction form
995,001.48/1,373,138.76 = 565,354.44/x - Step 3: Cross multiply
995,001.48x = 1,373,138.76 × 565,354.44 - Step 4: Simplify right side
995,001.48x = 776,310,094,702.09 - Step 5: Solve for x
x = 776,310,094,702.09/995,001.48 - Step 6: Final answer
x = 780,209.99
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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.