Finding the Fourth Proportional to 628,365.86, 867,118.97 and 341,887.08
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Solution
The fourth proportional to 628,365.86, 867,118.97 and 341,887.08 is: 471,790.07
Step by Step Solution
- Step 1: Write the proportion equation
628,365.86 : 867,118.97 = 341,887.08 : x - Step 2: Convert to fraction form
628,365.86/867,118.97 = 341,887.08/x - Step 3: Cross multiply
628,365.86x = 867,118.97 × 341,887.08 - Step 4: Simplify right side
628,365.86x = 296,456,773,520.63 - Step 5: Solve for x
x = 296,456,773,520.63/628,365.86 - Step 6: Final answer
x = 471,790.07
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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.