Finding the Fourth Proportional to 939,190.20, 1,406,296.98 and 495,025.08
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Solution
The fourth proportional to 939,190.20, 1,406,296.98 and 495,025.08 is: 741,226.09
Step by Step Solution
- Step 1: Write the proportion equation
939,190.20 : 1,406,296.98 = 495,025.08 : x - Step 2: Convert to fraction form
939,190.20/1,406,296.98 = 495,025.08/x - Step 3: Cross multiply
939,190.20x = 1,406,296.98 × 495,025.08 - Step 4: Simplify right side
939,190.20x = 696,152,275,028.26 - Step 5: Solve for x
x = 696,152,275,028.26/939,190.20 - Step 6: Final answer
x = 741,226.09
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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.