Finding the Fourth Proportional to 807,290.01, 1,114,065.90 and 463,140.99
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Solution
The fourth proportional to 807,290.01, 1,114,065.90 and 463,140.99 is: 639,137.83
Step by Step Solution
- Step 1: Write the proportion equation
807,290.01 : 1,114,065.90 = 463,140.99 : x - Step 2: Convert to fraction form
807,290.01/1,114,065.90 = 463,140.99/x - Step 3: Cross multiply
807,290.01x = 1,114,065.90 × 463,140.99 - Step 4: Simplify right side
807,290.01x = 515,969,583,851.24 - Step 5: Solve for x
x = 515,969,583,851.24/807,290.01 - Step 6: Final answer
x = 639,137.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.