Finding the Fourth Proportional to 910,273.21, 1,358,488.24 and 809,385.08
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Solution
The fourth proportional to 910,273.21, 1,358,488.24 and 809,385.08 is: 1,207,923.18
Step by Step Solution
- Step 1: Write the proportion equation
910,273.21 : 1,358,488.24 = 809,385.08 : x - Step 2: Convert to fraction form
910,273.21/1,358,488.24 = 809,385.08/x - Step 3: Cross multiply
910,273.21x = 1,358,488.24 × 809,385.08 - Step 4: Simplify right side
910,273.21x = 1,099,540,103,995.56 - Step 5: Solve for x
x = 1,099,540,103,995.56/910,273.21 - Step 6: Final answer
x = 1,207,923.18
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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.