Finding the Fourth Proportional to 855,586.06, 1,284,640.70 and 477,246
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Solution
The fourth proportional to 855,586.06, 1,284,640.70 and 477,246 is: 716,572.73
Step by Step Solution
- Step 1: Write the proportion equation
855,586.06 : 1,284,640.70 = 477,246 : x - Step 2: Convert to fraction form
855,586.06/1,284,640.70 = 477,246/x - Step 3: Cross multiply
855,586.06x = 1,284,640.70 × 477,246 - Step 4: Simplify right side
855,586.06x = 613,089,635,512.20 - Step 5: Solve for x
x = 613,089,635,512.20/855,586.06 - Step 6: Final answer
x = 716,572.73
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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.