Finding the Fourth Proportional to 814,732.53, 1,124,879.09 and 623,404.05
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Solution
The fourth proportional to 814,732.53, 1,124,879.09 and 623,404.05 is: 860,717.05
Step by Step Solution
- Step 1: Write the proportion equation
814,732.53 : 1,124,879.09 = 623,404.05 : x - Step 2: Convert to fraction form
814,732.53/1,124,879.09 = 623,404.05/x - Step 3: Cross multiply
814,732.53x = 1,124,879.09 × 623,404.05 - Step 4: Simplify right side
814,732.53x = 701,254,180,466.32 - Step 5: Solve for x
x = 701,254,180,466.32/814,732.53 - Step 6: Final answer
x = 860,717.05
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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.