Finding the Fourth Proportional to 673,537.68, 929,477.43 and 371,731.68
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Solution
The fourth proportional to 673,537.68, 929,477.43 and 371,731.68 is: 512,987.20
Step by Step Solution
- Step 1: Write the proportion equation
673,537.68 : 929,477.43 = 371,731.68 : x - Step 2: Convert to fraction form
673,537.68/929,477.43 = 371,731.68/x - Step 3: Cross multiply
673,537.68x = 929,477.43 × 371,731.68 - Step 4: Simplify right side
673,537.68x = 345,516,206,575.98 - Step 5: Solve for x
x = 345,516,206,575.98/673,537.68 - Step 6: Final answer
x = 512,987.20
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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.