Finding the Fourth Proportional to 995,461.28, 1,493,197.56 and 247,507.28
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Solution
The fourth proportional to 995,461.28, 1,493,197.56 and 247,507.28 is: 371,262.32
Step by Step Solution
- Step 1: Write the proportion equation
995,461.28 : 1,493,197.56 = 247,507.28 : x - Step 2: Convert to fraction form
995,461.28/1,493,197.56 = 247,507.28/x - Step 3: Cross multiply
995,461.28x = 1,493,197.56 × 247,507.28 - Step 4: Simplify right side
995,461.28x = 369,577,266,578.24 - Step 5: Solve for x
x = 369,577,266,578.24/995,461.28 - Step 6: Final answer
x = 371,262.32
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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.