Finding the Fourth Proportional to 910,274.23, 1,358,489.78 and 809,386.10
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Solution
The fourth proportional to 910,274.23, 1,358,489.78 and 809,386.10 is: 1,207,924.72
Step by Step Solution
- Step 1: Write the proportion equation
910,274.23 : 1,358,489.78 = 809,386.10 : x - Step 2: Convert to fraction form
910,274.23/1,358,489.78 = 809,386.10/x - Step 3: Cross multiply
910,274.23x = 1,358,489.78 × 809,386.10 - Step 4: Simplify right side
910,274.23x = 1,099,542,740,155.07 - Step 5: Solve for x
x = 1,099,542,740,155.07/910,274.23 - Step 6: Final answer
x = 1,207,924.72
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.