Finding the Fourth Proportional to 855,704.81, 1,180,827.74 and 468,445.99
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Solution
The fourth proportional to 855,704.81, 1,180,827.74 and 468,445.99 is: 646,430.88
Step by Step Solution
- Step 1: Write the proportion equation
855,704.81 : 1,180,827.74 = 468,445.99 : x - Step 2: Convert to fraction form
855,704.81/1,180,827.74 = 468,445.99/x - Step 3: Cross multiply
855,704.81x = 1,180,827.74 × 468,445.99 - Step 4: Simplify right side
855,704.81x = 553,154,017,481.85 - Step 5: Solve for x
x = 553,154,017,481.85/855,704.81 - Step 6: Final answer
x = 646,430.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.