Finding the Fourth Proportional to 855,587.36, 1,284,642.63 and 477,247.29
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Solution
The fourth proportional to 855,587.36, 1,284,642.63 and 477,247.29 is: 716,574.66
Step by Step Solution
- Step 1: Write the proportion equation
855,587.36 : 1,284,642.63 = 477,247.29 : x - Step 2: Convert to fraction form
855,587.36/1,284,642.63 = 477,247.29/x - Step 3: Cross multiply
855,587.36x = 1,284,642.63 × 477,247.29 - Step 4: Simplify right side
855,587.36x = 613,092,213,785.97 - Step 5: Solve for x
x = 613,092,213,785.97/855,587.36 - Step 6: Final answer
x = 716,574.66
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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.