Finding the Fourth Proportional to 638,453.10, 957,961.74 and 334,774.74
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Solution
The fourth proportional to 638,453.10, 957,961.74 and 334,774.74 is: 502,310.02
Step by Step Solution
- Step 1: Write the proportion equation
638,453.10 : 957,961.74 = 334,774.74 : x - Step 2: Convert to fraction form
638,453.10/957,961.74 = 334,774.74/x - Step 3: Cross multiply
638,453.10x = 957,961.74 × 334,774.74 - Step 4: Simplify right side
638,453.10x = 320,701,392,438.45 - Step 5: Solve for x
x = 320,701,392,438.45/638,453.10 - Step 6: Final answer
x = 502,310.02
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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.