Finding the Fourth Proportional to 647,553.24, 893,634.48 and 357,198.12
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Solution
The fourth proportional to 647,553.24, 893,634.48 and 357,198.12 is: 492,939.48
Step by Step Solution
- Step 1: Write the proportion equation
647,553.24 : 893,634.48 = 357,198.12 : x - Step 2: Convert to fraction form
647,553.24/893,634.48 = 357,198.12/x - Step 3: Cross multiply
647,553.24x = 893,634.48 × 357,198.12 - Step 4: Simplify right side
647,553.24x = 319,204,556,223.18 - Step 5: Solve for x
x = 319,204,556,223.18/647,553.24 - Step 6: Final answer
x = 492,939.48
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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.