Finding the Fourth Proportional to 945,948.71, 1,305,408.88 and 516,228.84
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Solution
The fourth proportional to 945,948.71, 1,305,408.88 and 516,228.84 is: 712,395.61
Step by Step Solution
- Step 1: Write the proportion equation
945,948.71 : 1,305,408.88 = 516,228.84 : x - Step 2: Convert to fraction form
945,948.71/1,305,408.88 = 516,228.84/x - Step 3: Cross multiply
945,948.71x = 1,305,408.88 × 516,228.84 - Step 4: Simplify right side
945,948.71x = 673,889,709,589.60 - Step 5: Solve for x
x = 673,889,709,589.60/945,948.71 - Step 6: Final answer
x = 712,395.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.