Finding the Fourth Proportional to 741,601.42, 1,023,381.56 and 419,318.26
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Solution
The fourth proportional to 741,601.42, 1,023,381.56 and 419,318.26 is: 578,643.14
Step by Step Solution
- Step 1: Write the proportion equation
741,601.42 : 1,023,381.56 = 419,318.26 : x - Step 2: Convert to fraction form
741,601.42/1,023,381.56 = 419,318.26/x - Step 3: Cross multiply
741,601.42x = 1,023,381.56 × 419,318.26 - Step 4: Simplify right side
741,601.42x = 429,122,573,545.13 - Step 5: Solve for x
x = 429,122,573,545.13/741,601.42 - Step 6: Final answer
x = 578,643.14
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1.5x scale
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.