Finding the Fourth Proportional to 955,817.28, 1,433,517.90 and 315,969.84
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Solution
The fourth proportional to 955,817.28, 1,433,517.90 and 315,969.84 is: 473,885.99
Step by Step Solution
- Step 1: Write the proportion equation
955,817.28 : 1,433,517.90 = 315,969.84 : x - Step 2: Convert to fraction form
955,817.28/1,433,517.90 = 315,969.84/x - Step 3: Cross multiply
955,817.28x = 1,433,517.90 × 315,969.84 - Step 4: Simplify right side
955,817.28x = 452,948,421,500.14 - Step 5: Solve for x
x = 452,948,421,500.14/955,817.28 - Step 6: Final answer
x = 473,885.99
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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.