Finding the Fourth Proportional to 823,865.62, 1,235,931.69 and 255,113.02
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Solution
The fourth proportional to 823,865.62, 1,235,931.69 and 255,113.02 is: 382,710.79
Step by Step Solution
- Step 1: Write the proportion equation
823,865.62 : 1,235,931.69 = 255,113.02 : x - Step 2: Convert to fraction form
823,865.62/1,235,931.69 = 255,113.02/x - Step 3: Cross multiply
823,865.62x = 1,235,931.69 × 255,113.02 - Step 4: Simplify right side
823,865.62x = 315,302,265,949.60 - Step 5: Solve for x
x = 315,302,265,949.60/823,865.62 - Step 6: Final answer
x = 382,710.79
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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.