Finding the Fourth Proportional to 538,384.08, 743,239.08 and 417,253.44
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Solution
The fourth proportional to 538,384.08, 743,239.08 and 417,253.44 is: 576,018.26
Step by Step Solution
- Step 1: Write the proportion equation
538,384.08 : 743,239.08 = 417,253.44 : x - Step 2: Convert to fraction form
538,384.08/743,239.08 = 417,253.44/x - Step 3: Cross multiply
538,384.08x = 743,239.08 × 417,253.44 - Step 4: Simplify right side
538,384.08x = 310,119,062,872.44 - Step 5: Solve for x
x = 310,119,062,872.44/538,384.08 - Step 6: Final answer
x = 576,018.26
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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.