Finding the Fourth Proportional to 905,672.07, 1,358,424.81 and 306,564.75
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Solution
The fourth proportional to 905,672.07, 1,358,424.81 and 306,564.75 is: 459,818.93
Step by Step Solution
- Step 1: Write the proportion equation
905,672.07 : 1,358,424.81 = 306,564.75 : x - Step 2: Convert to fraction form
905,672.07/1,358,424.81 = 306,564.75/x - Step 3: Cross multiply
905,672.07x = 1,358,424.81 × 306,564.75 - Step 4: Simplify right side
905,672.07x = 416,445,162,271.45 - Step 5: Solve for x
x = 416,445,162,271.45/905,672.07 - Step 6: Final answer
x = 459,818.93
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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.