Finding the Fourth Proportional to 931,986.28, 1,395,737.16 and 531,412.68
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Solution
The fourth proportional to 931,986.28, 1,395,737.16 and 531,412.68 is: 795,840.50
Step by Step Solution
- Step 1: Write the proportion equation
931,986.28 : 1,395,737.16 = 531,412.68 : x - Step 2: Convert to fraction form
931,986.28/1,395,737.16 = 531,412.68/x - Step 3: Cross multiply
931,986.28x = 1,395,737.16 × 531,412.68 - Step 4: Simplify right side
931,986.28x = 741,712,424,771.19 - Step 5: Solve for x
x = 741,712,424,771.19/931,986.28 - Step 6: Final answer
x = 795,840.50
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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.