Finding the Fourth Proportional to 1,625.47, 2,438.33 and 471.31
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Solution
The fourth proportional to 1,625.47, 2,438.33 and 471.31 is: 707.00
Step by Step Solution
- Step 1: Write the proportion equation
1,625.47 : 2,438.33 = 471.31 : x - Step 2: Convert to fraction form
1,625.47/2,438.33 = 471.31/x - Step 3: Cross multiply
1,625.47x = 2,438.33 × 471.31 - Step 4: Simplify right side
1,625.47x = 1,149,209.31 - Step 5: Solve for x
x = 1,149,209.31/1,625.47 - Step 6: Final answer
x = 707.00
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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.