Finding the Fourth Proportional to 1,769,408.28, 2,654,114.04 and 439,712.28
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Solution
The fourth proportional to 1,769,408.28, 2,654,114.04 and 439,712.28 is: 659,568.82
Step by Step Solution
- Step 1: Write the proportion equation
1,769,408.28 : 2,654,114.04 = 439,712.28 : x - Step 2: Convert to fraction form
1,769,408.28/2,654,114.04 = 439,712.28/x - Step 3: Cross multiply
1,769,408.28x = 2,654,114.04 × 439,712.28 - Step 4: Simplify right side
1,769,408.28x = 1,167,046,535,908.41 - Step 5: Solve for x
x = 1,167,046,535,908.41/1,769,408.28 - Step 6: Final answer
x = 659,568.82
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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.