Finding the Fourth Proportional to 752,388.76, 1,128,648.74 and 246,798.08
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Solution
The fourth proportional to 752,388.76, 1,128,648.74 and 246,798.08 is: 370,218.64
Step by Step Solution
- Step 1: Write the proportion equation
752,388.76 : 1,128,648.74 = 246,798.08 : x - Step 2: Convert to fraction form
752,388.76/1,128,648.74 = 246,798.08/x - Step 3: Cross multiply
752,388.76x = 1,128,648.74 × 246,798.08 - Step 4: Simplify right side
752,388.76x = 278,548,342,026.42 - Step 5: Solve for x
x = 278,548,342,026.42/752,388.76 - Step 6: Final answer
x = 370,218.64
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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.