Finding the Fourth Proportional to 980,640.68, 1,471,101.35 and 474,786.36
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Solution
The fourth proportional to 980,640.68, 1,471,101.35 and 474,786.36 is: 712,247.48
Step by Step Solution
- Step 1: Write the proportion equation
980,640.68 : 1,471,101.35 = 474,786.36 : x - Step 2: Convert to fraction form
980,640.68/1,471,101.35 = 474,786.36/x - Step 3: Cross multiply
980,640.68x = 1,471,101.35 × 474,786.36 - Step 4: Simplify right side
980,640.68x = 698,458,852,783.65 - Step 5: Solve for x
x = 698,458,852,783.65/980,640.68 - Step 6: Final answer
x = 712,247.48
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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.