Finding the Fourth Proportional to 475,883.18, 712,873.05 and 286,238.84
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Solution
The fourth proportional to 475,883.18, 712,873.05 and 286,238.84 is: 428,785.81
Step by Step Solution
- Step 1: Write the proportion equation
475,883.18 : 712,873.05 = 286,238.84 : x - Step 2: Convert to fraction form
475,883.18/712,873.05 = 286,238.84/x - Step 3: Cross multiply
475,883.18x = 712,873.05 × 286,238.84 - Step 4: Simplify right side
475,883.18x = 204,051,954,899.26 - Step 5: Solve for x
x = 204,051,954,899.26/475,883.18 - Step 6: Final answer
x = 428,785.81
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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.