Finding the Fourth Proportional to 453,647.20, 626,023.84 and 283,974.88
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Solution
The fourth proportional to 453,647.20, 626,023.84 and 283,974.88 is: 391,879.52
Step by Step Solution
- Step 1: Write the proportion equation
453,647.20 : 626,023.84 = 283,974.88 : x - Step 2: Convert to fraction form
453,647.20/626,023.84 = 283,974.88/x - Step 3: Cross multiply
453,647.20x = 626,023.84 × 283,974.88 - Step 4: Simplify right side
453,647.20x = 177,775,044,841.14 - Step 5: Solve for x
x = 177,775,044,841.14/453,647.20 - Step 6: Final answer
x = 391,879.52
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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.