Finding the Fourth Proportional to 704,037.24, 971,570.16 and 393,940.08
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Solution
The fourth proportional to 704,037.24, 971,570.16 and 393,940.08 is: 543,636.62
Step by Step Solution
- Step 1: Write the proportion equation
704,037.24 : 971,570.16 = 393,940.08 : x - Step 2: Convert to fraction form
704,037.24/971,570.16 = 393,940.08/x - Step 3: Cross multiply
704,037.24x = 971,570.16 × 393,940.08 - Step 4: Simplify right side
704,037.24x = 382,740,426,556.01 - Step 5: Solve for x
x = 382,740,426,556.01/704,037.24 - Step 6: Final answer
x = 543,636.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.