Finding the Fourth Proportional to 975,516.68, 1,470,586.74 and 910,489.88
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Solution
The fourth proportional to 975,516.68, 1,470,586.74 and 910,489.88 is: 1,372,559.15
Step by Step Solution
- Step 1: Write the proportion equation
975,516.68 : 1,470,586.74 = 910,489.88 : x - Step 2: Convert to fraction form
975,516.68/1,470,586.74 = 910,489.88/x - Step 3: Cross multiply
975,516.68x = 1,470,586.74 × 910,489.88 - Step 4: Simplify right side
975,516.68x = 1,338,954,344,432.19 - Step 5: Solve for x
x = 1,338,954,344,432.19/975,516.68 - Step 6: Final answer
x = 1,372,559.15
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.