Finding the Fourth Proportional to 652,706.42, 978,386.09 and 273,847.14
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Solution
The fourth proportional to 652,706.42, 978,386.09 and 273,847.14 is: 410,488.12
Step by Step Solution
- Step 1: Write the proportion equation
652,706.42 : 978,386.09 = 273,847.14 : x - Step 2: Convert to fraction form
652,706.42/978,386.09 = 273,847.14/x - Step 3: Cross multiply
652,706.42x = 978,386.09 × 273,847.14 - Step 4: Simplify right side
652,706.42x = 267,928,231,193.05 - Step 5: Solve for x
x = 267,928,231,193.05/652,706.42 - Step 6: Final answer
x = 410,488.12
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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.