Finding the Fourth Proportional to 522,328.79, 783,714.65 and 285,394.68
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Solution
The fourth proportional to 522,328.79, 783,714.65 and 285,394.68 is: 428,213.03
Step by Step Solution
- Step 1: Write the proportion equation
522,328.79 : 783,714.65 = 285,394.68 : x - Step 2: Convert to fraction form
522,328.79/783,714.65 = 285,394.68/x - Step 3: Cross multiply
522,328.79x = 783,714.65 × 285,394.68 - Step 4: Simplify right side
522,328.79x = 223,667,990,321.09 - Step 5: Solve for x
x = 223,667,990,321.09/522,328.79 - Step 6: Final answer
x = 428,213.03
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.