Finding the Fourth Proportional to 450,532.12, 620,714.74 and 369,831.84
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Solution
The fourth proportional to 450,532.12, 620,714.74 and 369,831.84 is: 509,530.98
Step by Step Solution
- Step 1: Write the proportion equation
450,532.12 : 620,714.74 = 369,831.84 : x - Step 2: Convert to fraction form
450,532.12/620,714.74 = 369,831.84/x - Step 3: Cross multiply
450,532.12x = 620,714.74 × 369,831.84 - Step 4: Simplify right side
450,532.12x = 229,560,074,409.32 - Step 5: Solve for x
x = 229,560,074,409.32/450,532.12 - Step 6: Final answer
x = 509,530.98
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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.