Finding the Fourth Proportional to 936.09, 1,402 and 570.07
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Solution
The fourth proportional to 936.09, 1,402 and 570.07 is: 853.80
Step by Step Solution
- Step 1: Write the proportion equation
936.09 : 1,402 = 570.07 : x - Step 2: Convert to fraction form
936.09/1,402 = 570.07/x - Step 3: Cross multiply
936.09x = 1,402 × 570.07 - Step 4: Simplify right side
936.09x = 799,238.14 - Step 5: Solve for x
x = 799,238.14/936.09 - Step 6: Final answer
x = 853.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.