Finding the Fourth Proportional to 1,387,882.70, 2,080,268.85 and 589,028.30
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Solution
The fourth proportional to 1,387,882.70, 2,080,268.85 and 589,028.30 is: 882,882.41
Step by Step Solution
- Step 1: Write the proportion equation
1,387,882.70 : 2,080,268.85 = 589,028.30 : x - Step 2: Convert to fraction form
1,387,882.70/2,080,268.85 = 589,028.30/x - Step 3: Cross multiply
1,387,882.70x = 2,080,268.85 × 589,028.30 - Step 4: Simplify right side
1,387,882.70x = 1,225,337,224,258.46 - Step 5: Solve for x
x = 1,225,337,224,258.46/1,387,882.70 - Step 6: Final answer
x = 882,882.41
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.