Finding the Fourth Proportional to 930,165.62, 1,395,112.35 and 443,737.94
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Solution
The fourth proportional to 930,165.62, 1,395,112.35 and 443,737.94 is: 665,541.99
Step by Step Solution
- Step 1: Write the proportion equation
930,165.62 : 1,395,112.35 = 443,737.94 : x - Step 2: Convert to fraction form
930,165.62/1,395,112.35 = 443,737.94/x - Step 3: Cross multiply
930,165.62x = 1,395,112.35 × 443,737.94 - Step 4: Simplify right side
930,165.62x = 619,064,280,257.56 - Step 5: Solve for x
x = 619,064,280,257.56/930,165.62 - Step 6: Final answer
x = 665,541.99
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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.