Finding the Fourth Proportional to 957,522.79, 1,321,381.12 and 527,810.09
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Solution
The fourth proportional to 957,522.79, 1,321,381.12 and 527,810.09 is: 728,377.75
Step by Step Solution
- Step 1: Write the proportion equation
957,522.79 : 1,321,381.12 = 527,810.09 : x - Step 2: Convert to fraction form
957,522.79/1,321,381.12 = 527,810.09/x - Step 3: Cross multiply
957,522.79x = 1,321,381.12 × 527,810.09 - Step 4: Simplify right side
957,522.79x = 697,438,289,851.95 - Step 5: Solve for x
x = 697,438,289,851.95/957,522.79 - Step 6: Final answer
x = 728,377.75
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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.