Finding the Fourth Proportional to 869,469.84, 1,199,581.56 and 525,177.12
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Solution
The fourth proportional to 869,469.84, 1,199,581.56 and 525,177.12 is: 724,571.18
Step by Step Solution
- Step 1: Write the proportion equation
869,469.84 : 1,199,581.56 = 525,177.12 : x - Step 2: Convert to fraction form
869,469.84/1,199,581.56 = 525,177.12/x - Step 3: Cross multiply
869,469.84x = 1,199,581.56 × 525,177.12 - Step 4: Simplify right side
869,469.84x = 629,992,788,885.91 - Step 5: Solve for x
x = 629,992,788,885.91/869,469.84 - Step 6: Final answer
x = 724,571.18
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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.