Finding the Fourth Proportional to 719,715.93, 1,079,577.42 and 293,256
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Solution
The fourth proportional to 719,715.93, 1,079,577.42 and 293,256 is: 439,885.44
Step by Step Solution
- Step 1: Write the proportion equation
719,715.93 : 1,079,577.42 = 293,256 : x - Step 2: Convert to fraction form
719,715.93/1,079,577.42 = 293,256/x - Step 3: Cross multiply
719,715.93x = 1,079,577.42 × 293,256 - Step 4: Simplify right side
719,715.93x = 316,592,555,879.52 - Step 5: Solve for x
x = 316,592,555,879.52/719,715.93 - Step 6: Final answer
x = 439,885.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.