Finding the Fourth Proportional to 570,492.62, 856,214.09 and 300,717.63
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Solution
The fourth proportional to 570,492.62, 856,214.09 and 300,717.63 is: 451,326.90
Step by Step Solution
- Step 1: Write the proportion equation
570,492.62 : 856,214.09 = 300,717.63 : x - Step 2: Convert to fraction form
570,492.62/856,214.09 = 300,717.63/x - Step 3: Cross multiply
570,492.62x = 856,214.09 × 300,717.63 - Step 4: Simplify right side
570,492.62x = 257,478,667,717.92 - Step 5: Solve for x
x = 257,478,667,717.92/570,492.62 - Step 6: Final answer
x = 451,326.90
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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.