Finding the Fourth Proportional to 470,739.31, 705,843.18 and 430,569.84
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Solution
The fourth proportional to 470,739.31, 705,843.18 and 430,569.84 is: 645,611.66
Step by Step Solution
- Step 1: Write the proportion equation
470,739.31 : 705,843.18 = 430,569.84 : x - Step 2: Convert to fraction form
470,739.31/705,843.18 = 430,569.84/x - Step 3: Cross multiply
470,739.31x = 705,843.18 × 430,569.84 - Step 4: Simplify right side
470,739.31x = 303,914,787,724.60 - Step 5: Solve for x
x = 303,914,787,724.60/470,739.31 - Step 6: Final answer
x = 645,611.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.