Finding the Fourth Proportional to 936,515.79, 1,292,391.86 and 506,795.94
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Solution
The fourth proportional to 936,515.79, 1,292,391.86 and 506,795.94 is: 699,378.43
Step by Step Solution
- Step 1: Write the proportion equation
936,515.79 : 1,292,391.86 = 506,795.94 : x - Step 2: Convert to fraction form
936,515.79/1,292,391.86 = 506,795.94/x - Step 3: Cross multiply
936,515.79x = 1,292,391.86 × 506,795.94 - Step 4: Simplify right side
936,515.79x = 654,978,945,003.07 - Step 5: Solve for x
x = 654,978,945,003.07/936,515.79 - Step 6: Final answer
x = 699,378.43
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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.