Finding the Fourth Proportional to 812,201.99, 1,216,971.34 and 575,119.04
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Solution
The fourth proportional to 812,201.99, 1,216,971.34 and 575,119.04 is: 861,735.62
Step by Step Solution
- Step 1: Write the proportion equation
812,201.99 : 1,216,971.34 = 575,119.04 : x - Step 2: Convert to fraction form
812,201.99/1,216,971.34 = 575,119.04/x - Step 3: Cross multiply
812,201.99x = 1,216,971.34 × 575,119.04 - Step 4: Simplify right side
812,201.99x = 699,903,388,768.31 - Step 5: Solve for x
x = 699,903,388,768.31/812,201.99 - Step 6: Final answer
x = 861,735.62
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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.