Finding the Fourth Proportional to 995,037.24, 1,373,151.90 and 565,318.12
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Solution
The fourth proportional to 995,037.24, 1,373,151.90 and 565,318.12 is: 780,139.29
Step by Step Solution
- Step 1: Write the proportion equation
995,037.24 : 1,373,151.90 = 565,318.12 : x - Step 2: Convert to fraction form
995,037.24/1,373,151.90 = 565,318.12/x - Step 3: Cross multiply
995,037.24x = 1,373,151.90 × 565,318.12 - Step 4: Simplify right side
995,037.24x = 776,267,650,582.43 - Step 5: Solve for x
x = 776,267,650,582.43/995,037.24 - Step 6: Final answer
x = 780,139.29
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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.