Finding the Fourth Proportional to 948,276.84, 1,422,488.70 and 317,193.96
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Solution
The fourth proportional to 948,276.84, 1,422,488.70 and 317,193.96 is: 475,815.51
Step by Step Solution
- Step 1: Write the proportion equation
948,276.84 : 1,422,488.70 = 317,193.96 : x - Step 2: Convert to fraction form
948,276.84/1,422,488.70 = 317,193.96/x - Step 3: Cross multiply
948,276.84x = 1,422,488.70 × 317,193.96 - Step 4: Simplify right side
948,276.84x = 451,204,823,808.25 - Step 5: Solve for x
x = 451,204,823,808.25/948,276.84 - Step 6: Final answer
x = 475,815.51
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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.