Finding the Fourth Proportional to 916,564.56, 1,373,220.12 and 382,911.12
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Solution
The fourth proportional to 916,564.56, 1,373,220.12 and 382,911.12 is: 573,687.09
Step by Step Solution
- Step 1: Write the proportion equation
916,564.56 : 1,373,220.12 = 382,911.12 : x - Step 2: Convert to fraction form
916,564.56/1,373,220.12 = 382,911.12/x - Step 3: Cross multiply
916,564.56x = 1,373,220.12 × 382,911.12 - Step 4: Simplify right side
916,564.56x = 525,821,254,155.73 - Step 5: Solve for x
x = 525,821,254,155.73/916,564.56 - Step 6: Final answer
x = 573,687.09
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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.