Finding the Fourth Proportional to 855,586.13, 1,284,640.80 and 477,246.06
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Solution
The fourth proportional to 855,586.13, 1,284,640.80 and 477,246.06 is: 716,572.82
Step by Step Solution
- Step 1: Write the proportion equation
855,586.13 : 1,284,640.80 = 477,246.06 : x - Step 2: Convert to fraction form
855,586.13/1,284,640.80 = 477,246.06/x - Step 3: Cross multiply
855,586.13x = 1,284,640.80 × 477,246.06 - Step 4: Simplify right side
855,586.13x = 613,089,758,525.58 - Step 5: Solve for x
x = 613,089,758,525.58/855,586.13 - Step 6: Final answer
x = 716,572.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.