Finding the Fourth Proportional to 638,445.87, 881,027.97 and 348,050.52
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Solution
The fourth proportional to 638,445.87, 881,027.97 and 348,050.52 is: 480,294.82
Step by Step Solution
- Step 1: Write the proportion equation
638,445.87 : 881,027.97 = 348,050.52 : x - Step 2: Convert to fraction form
638,445.87/881,027.97 = 348,050.52/x - Step 3: Cross multiply
638,445.87x = 881,027.97 × 348,050.52 - Step 4: Simplify right side
638,445.87x = 306,642,243,093.04 - Step 5: Solve for x
x = 306,642,243,093.04/638,445.87 - Step 6: Final answer
x = 480,294.82
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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.