Finding the Fourth Proportional to 1,330,884.90, 1,996,327.35 and 384,351.30
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Solution
The fourth proportional to 1,330,884.90, 1,996,327.35 and 384,351.30 is: 576,526.95
Step by Step Solution
- Step 1: Write the proportion equation
1,330,884.90 : 1,996,327.35 = 384,351.30 : x - Step 2: Convert to fraction form
1,330,884.90/1,996,327.35 = 384,351.30/x - Step 3: Cross multiply
1,330,884.90x = 1,996,327.35 × 384,351.30 - Step 4: Simplify right side
1,330,884.90x = 767,291,012,198.06 - Step 5: Solve for x
x = 767,291,012,198.06/1,330,884.90 - Step 6: Final answer
x = 576,526.95
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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.