Finding the Fourth Proportional to 665,067.10, 996,944.55 and 327,831.70
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Solution
The fourth proportional to 665,067.10, 996,944.55 and 327,831.70 is: 491,424.14
Step by Step Solution
- Step 1: Write the proportion equation
665,067.10 : 996,944.55 = 327,831.70 : x - Step 2: Convert to fraction form
665,067.10/996,944.55 = 327,831.70/x - Step 3: Cross multiply
665,067.10x = 996,944.55 × 327,831.70 - Step 4: Simplify right side
665,067.10x = 326,830,026,632.24 - Step 5: Solve for x
x = 326,830,026,632.24/665,067.10 - Step 6: Final answer
x = 491,424.14
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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.