Finding the Fourth Proportional to 628,548.99, 867,380.99 and 342,062.93
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Solution
The fourth proportional to 628,548.99, 867,380.99 and 342,062.93 is: 472,037.79
Step by Step Solution
- Step 1: Write the proportion equation
628,548.99 : 867,380.99 = 342,062.93 : x - Step 2: Convert to fraction form
628,548.99/867,380.99 = 342,062.93/x - Step 3: Cross multiply
628,548.99x = 867,380.99 × 342,062.93 - Step 4: Simplify right side
628,548.99x = 296,698,876,818.48 - Step 5: Solve for x
x = 296,698,876,818.48/628,548.99 - Step 6: Final answer
x = 472,037.79
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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.