Finding the Fourth Proportional to 946,135.21, 1,419,829.63 and 519,968.65
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Solution
The fourth proportional to 946,135.21, 1,419,829.63 and 519,968.65 is: 780,297.45
Step by Step Solution
- Step 1: Write the proportion equation
946,135.21 : 1,419,829.63 = 519,968.65 : x - Step 2: Convert to fraction form
946,135.21/1,419,829.63 = 519,968.65/x - Step 3: Cross multiply
946,135.21x = 1,419,829.63 × 519,968.65 - Step 4: Simplify right side
946,135.21x = 738,266,895,941.10 - Step 5: Solve for x
x = 738,266,895,941.10/946,135.21 - Step 6: Final answer
x = 780,297.45
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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.