Finding the Fourth Proportional to 905.94, 1,250.82 and 570
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Solution
The fourth proportional to 905.94, 1,250.82 and 570 is: 786.99
Step by Step Solution
- Step 1: Write the proportion equation
905.94 : 1,250.82 = 570 : x - Step 2: Convert to fraction form
905.94/1,250.82 = 570/x - Step 3: Cross multiply
905.94x = 1,250.82 × 570 - Step 4: Simplify right side
905.94x = 712,967.40 - Step 5: Solve for x
x = 712,967.40/905.94 - Step 6: Final answer
x = 786.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.