Finding the Fourth Proportional to 545,744.96, 747,673.30 and 525,290.79
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Solution
The fourth proportional to 545,744.96, 747,673.30 and 525,290.79 is: 719,650.99
Step by Step Solution
- Step 1: Write the proportion equation
545,744.96 : 747,673.30 = 525,290.79 : x - Step 2: Convert to fraction form
545,744.96/747,673.30 = 525,290.79/x - Step 3: Cross multiply
545,744.96x = 747,673.30 × 525,290.79 - Step 4: Simplify right side
545,744.96x = 392,745,898,418.91 - Step 5: Solve for x
x = 392,745,898,418.91/545,744.96 - Step 6: Final answer
x = 719,650.99
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.