Finding the Fourth Proportional to 718,859.43, 991,847.70 and 473,817.02
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Solution
The fourth proportional to 718,859.43, 991,847.70 and 473,817.02 is: 653,749.95
Step by Step Solution
- Step 1: Write the proportion equation
718,859.43 : 991,847.70 = 473,817.02 : x - Step 2: Convert to fraction form
718,859.43/991,847.70 = 473,817.02/x - Step 3: Cross multiply
718,859.43x = 991,847.70 × 473,817.02 - Step 4: Simplify right side
718,859.43x = 469,954,316,548.62 - Step 5: Solve for x
x = 469,954,316,548.62/718,859.43 - Step 6: Final answer
x = 653,749.95
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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.