Finding the Fourth Proportional to 752,326.35, 1,128,575.15 and 272,779.98
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Solution
The fourth proportional to 752,326.35, 1,128,575.15 and 272,779.98 is: 409,201.01
Step by Step Solution
- Step 1: Write the proportion equation
752,326.35 : 1,128,575.15 = 272,779.98 : x - Step 2: Convert to fraction form
752,326.35/1,128,575.15 = 272,779.98/x - Step 3: Cross multiply
752,326.35x = 1,128,575.15 × 272,779.98 - Step 4: Simplify right side
752,326.35x = 307,852,705,481.60 - Step 5: Solve for x
x = 307,852,705,481.60/752,326.35 - Step 6: Final answer
x = 409,201.01
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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.