Finding the Fourth Proportional to 628,109.93, 866,785.21 and 341,629.94
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Solution
The fourth proportional to 628,109.93, 866,785.21 and 341,629.94 is: 471,445.79
Step by Step Solution
- Step 1: Write the proportion equation
628,109.93 : 866,785.21 = 341,629.94 : x - Step 2: Convert to fraction form
628,109.93/866,785.21 = 341,629.94/x - Step 3: Cross multiply
628,109.93x = 866,785.21 × 341,629.94 - Step 4: Simplify right side
628,109.93x = 296,119,779,285.19 - Step 5: Solve for x
x = 296,119,779,285.19/628,109.93 - Step 6: Final answer
x = 471,445.79
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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.