Finding the Fourth Proportional to 792,547.18, 1,188,858.44 and 252,860.58
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Solution
The fourth proportional to 792,547.18, 1,188,858.44 and 252,860.58 is: 379,302.89
Step by Step Solution
- Step 1: Write the proportion equation
792,547.18 : 1,188,858.44 = 252,860.58 : x - Step 2: Convert to fraction form
792,547.18/1,188,858.44 = 252,860.58/x - Step 3: Cross multiply
792,547.18x = 1,188,858.44 × 252,860.58 - Step 4: Simplify right side
792,547.18x = 300,615,436,384.14 - Step 5: Solve for x
x = 300,615,436,384.14/792,547.18 - Step 6: Final answer
x = 379,302.89
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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.