Finding the Fourth Proportional to 782,221.91, 1,079,466.68 and 424,525.91
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Solution
The fourth proportional to 782,221.91, 1,079,466.68 and 424,525.91 is: 585,845.99
Step by Step Solution
- Step 1: Write the proportion equation
782,221.91 : 1,079,466.68 = 424,525.91 : x - Step 2: Convert to fraction form
782,221.91/1,079,466.68 = 424,525.91/x - Step 3: Cross multiply
782,221.91x = 1,079,466.68 × 424,525.91 - Step 4: Simplify right side
782,221.91x = 458,261,572,519.05 - Step 5: Solve for x
x = 458,261,572,519.05/782,221.91 - Step 6: Final answer
x = 585,845.99
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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.