Finding the Fourth Proportional to 758,322.80, 1,136,609.28 and 284,706.08
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Solution
The fourth proportional to 758,322.80, 1,136,609.28 and 284,706.08 is: 426,730.64
Step by Step Solution
- Step 1: Write the proportion equation
758,322.80 : 1,136,609.28 = 284,706.08 : x - Step 2: Convert to fraction form
758,322.80/1,136,609.28 = 284,706.08/x - Step 3: Cross multiply
758,322.80x = 1,136,609.28 × 284,706.08 - Step 4: Simplify right side
758,322.80x = 323,599,572,600.42 - Step 5: Solve for x
x = 323,599,572,600.42/758,322.80 - Step 6: Final answer
x = 426,730.64
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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.