Finding the Fourth Proportional to 905,677.51, 1,358,432.96 and 306,570.19
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Solution
The fourth proportional to 905,677.51, 1,358,432.96 and 306,570.19 is: 459,827.08
Step by Step Solution
- Step 1: Write the proportion equation
905,677.51 : 1,358,432.96 = 306,570.19 : x - Step 2: Convert to fraction form
905,677.51/1,358,432.96 = 306,570.19/x - Step 3: Cross multiply
905,677.51x = 1,358,432.96 × 306,570.19 - Step 4: Simplify right side
905,677.51x = 416,455,048,019.81 - Step 5: Solve for x
x = 416,455,048,019.81/905,677.51 - Step 6: Final answer
x = 459,827.08
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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.