Finding the Fourth Proportional to 840,202.40, 1,260,382.08 and 334,641.44
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Solution
The fourth proportional to 840,202.40, 1,260,382.08 and 334,641.44 is: 501,993.42
Step by Step Solution
- Step 1: Write the proportion equation
840,202.40 : 1,260,382.08 = 334,641.44 : x - Step 2: Convert to fraction form
840,202.40/1,260,382.08 = 334,641.44/x - Step 3: Cross multiply
840,202.40x = 1,260,382.08 × 334,641.44 - Step 4: Simplify right side
840,202.40x = 421,776,074,201.40 - Step 5: Solve for x
x = 421,776,074,201.40/840,202.40 - Step 6: Final answer
x = 501,993.42
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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.