Finding the Fourth Proportional to 804,911.10, 1,205,617.05 and 488,816.70
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Solution
The fourth proportional to 804,911.10, 1,205,617.05 and 488,816.70 is: 732,162.53
Step by Step Solution
- Step 1: Write the proportion equation
804,911.10 : 1,205,617.05 = 488,816.70 : x - Step 2: Convert to fraction form
804,911.10/1,205,617.05 = 488,816.70/x - Step 3: Cross multiply
804,911.10x = 1,205,617.05 × 488,816.70 - Step 4: Simplify right side
804,911.10x = 589,325,747,844.74 - Step 5: Solve for x
x = 589,325,747,844.74/804,911.10 - Step 6: Final answer
x = 732,162.53
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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.