Finding the Fourth Proportional to 939,165.84, 1,408,804.74 and 362,793.60
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Solution
The fourth proportional to 939,165.84, 1,408,804.74 and 362,793.60 is: 544,212.02
Step by Step Solution
- Step 1: Write the proportion equation
939,165.84 : 1,408,804.74 = 362,793.60 : x - Step 2: Convert to fraction form
939,165.84/1,408,804.74 = 362,793.60/x - Step 3: Cross multiply
939,165.84x = 1,408,804.74 × 362,793.60 - Step 4: Simplify right side
939,165.84x = 511,105,343,321.66 - Step 5: Solve for x
x = 511,105,343,321.66/939,165.84 - Step 6: Final answer
x = 544,212.02
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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.