Finding the Fourth Proportional to 941,690.40, 1,412,017.20 and 310,279.20
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Solution
The fourth proportional to 941,690.40, 1,412,017.20 and 310,279.20 is: 465,247.99
Step by Step Solution
- Step 1: Write the proportion equation
941,690.40 : 1,412,017.20 = 310,279.20 : x - Step 2: Convert to fraction form
941,690.40/1,412,017.20 = 310,279.20/x - Step 3: Cross multiply
941,690.40x = 1,412,017.20 × 310,279.20 - Step 4: Simplify right side
941,690.40x = 438,119,567,202.24 - Step 5: Solve for x
x = 438,119,567,202.24/941,690.40 - Step 6: Final answer
x = 465,247.99
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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.