Finding the Fourth Proportional to 658,420.99, 987,559.71 and 446,549.92
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Solution
The fourth proportional to 658,420.99, 987,559.71 and 446,549.92 is: 669,776.20
Step by Step Solution
- Step 1: Write the proportion equation
658,420.99 : 987,559.71 = 446,549.92 : x - Step 2: Convert to fraction form
658,420.99/987,559.71 = 446,549.92/x - Step 3: Cross multiply
658,420.99x = 987,559.71 × 446,549.92 - Step 4: Simplify right side
658,420.99x = 440,994,709,495.72 - Step 5: Solve for x
x = 440,994,709,495.72/658,420.99 - Step 6: Final answer
x = 669,776.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.