Finding the Fourth Proportional to 816,746.48, 1,225,121.16 and 318,110.48
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Solution
The fourth proportional to 816,746.48, 1,225,121.16 and 318,110.48 is: 477,166.28
Step by Step Solution
- Step 1: Write the proportion equation
816,746.48 : 1,225,121.16 = 318,110.48 : x - Step 2: Convert to fraction form
816,746.48/1,225,121.16 = 318,110.48/x - Step 3: Cross multiply
816,746.48x = 1,225,121.16 × 318,110.48 - Step 4: Simplify right side
816,746.48x = 389,723,880,265.76 - Step 5: Solve for x
x = 389,723,880,265.76/816,746.48 - Step 6: Final answer
x = 477,166.28
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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.