Finding the Fourth Proportional to 659,063.44, 909,464.63 and 368,624.68
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Solution
The fourth proportional to 659,063.44, 909,464.63 and 368,624.68 is: 508,678.06
Step by Step Solution
- Step 1: Write the proportion equation
659,063.44 : 909,464.63 = 368,624.68 : x - Step 2: Convert to fraction form
659,063.44/909,464.63 = 368,624.68/x - Step 3: Cross multiply
659,063.44x = 909,464.63 × 368,624.68 - Step 4: Simplify right side
659,063.44x = 335,251,109,756.42 - Step 5: Solve for x
x = 335,251,109,756.42/659,063.44 - Step 6: Final answer
x = 508,678.06
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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.