Finding the Fourth Proportional to 782,034.35, 1,078,956.60 and 437,819.68
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Solution
The fourth proportional to 782,034.35, 1,078,956.60 and 437,819.68 is: 604,050.75
Step by Step Solution
- Step 1: Write the proportion equation
782,034.35 : 1,078,956.60 = 437,819.68 : x - Step 2: Convert to fraction form
782,034.35/1,078,956.60 = 437,819.68/x - Step 3: Cross multiply
782,034.35x = 1,078,956.60 × 437,819.68 - Step 4: Simplify right side
782,034.35x = 472,388,435,515.50 - Step 5: Solve for x
x = 472,388,435,515.50/782,034.35 - Step 6: Final answer
x = 604,050.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.