Finding the Fourth Proportional to 874,771.28, 1,207,188.68 and 492,804.08
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Solution
The fourth proportional to 874,771.28, 1,207,188.68 and 492,804.08 is: 680,072.06
Step by Step Solution
- Step 1: Write the proportion equation
874,771.28 : 1,207,188.68 = 492,804.08 : x - Step 2: Convert to fraction form
874,771.28/1,207,188.68 = 492,804.08/x - Step 3: Cross multiply
874,771.28x = 1,207,188.68 × 492,804.08 - Step 4: Simplify right side
874,771.28x = 594,907,506,833.81 - Step 5: Solve for x
x = 594,907,506,833.81/874,771.28 - Step 6: Final answer
x = 680,072.06
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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.