Finding the Fourth Proportional to 719,270.13, 992,625.17 and 413,445.81
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Solution
The fourth proportional to 719,270.13, 992,625.17 and 413,445.81 is: 570,573.83
Step by Step Solution
- Step 1: Write the proportion equation
719,270.13 : 992,625.17 = 413,445.81 : x - Step 2: Convert to fraction form
719,270.13/992,625.17 = 413,445.81/x - Step 3: Cross multiply
719,270.13x = 992,625.17 × 413,445.81 - Step 4: Simplify right side
719,270.13x = 410,396,715,369.81 - Step 5: Solve for x
x = 410,396,715,369.81/719,270.13 - Step 6: Final answer
x = 570,573.83
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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.