Finding the Fourth Proportional to 746,660.55, 1,119,987.62 and 206,915.28
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Solution
The fourth proportional to 746,660.55, 1,119,987.62 and 206,915.28 is: 310,372.03
Step by Step Solution
- Step 1: Write the proportion equation
746,660.55 : 1,119,987.62 = 206,915.28 : x - Step 2: Convert to fraction form
746,660.55/1,119,987.62 = 206,915.28/x - Step 3: Cross multiply
746,660.55x = 1,119,987.62 × 206,915.28 - Step 4: Simplify right side
746,660.55x = 231,742,546,948.29 - Step 5: Solve for x
x = 231,742,546,948.29/746,660.55 - Step 6: Final answer
x = 310,372.03
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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.