Finding the Fourth Proportional to 549,325.80, 823,988.70 and 438,733.80
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Solution
The fourth proportional to 549,325.80, 823,988.70 and 438,733.80 is: 658,100.70
Step by Step Solution
- Step 1: Write the proportion equation
549,325.80 : 823,988.70 = 438,733.80 : x - Step 2: Convert to fraction form
549,325.80/823,988.70 = 438,733.80/x - Step 3: Cross multiply
549,325.80x = 823,988.70 × 438,733.80 - Step 4: Simplify right side
549,325.80x = 361,511,693,508.06 - Step 5: Solve for x
x = 361,511,693,508.06/549,325.80 - Step 6: Final answer
x = 658,100.70
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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.