Finding the Fourth Proportional to 881,579.40, 1,321,593.88 and 349,474.20
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Solution
The fourth proportional to 881,579.40, 1,321,593.88 and 349,474.20 is: 523,903.99
Step by Step Solution
- Step 1: Write the proportion equation
881,579.40 : 1,321,593.88 = 349,474.20 : x - Step 2: Convert to fraction form
881,579.40/1,321,593.88 = 349,474.20/x - Step 3: Cross multiply
881,579.40x = 1,321,593.88 × 349,474.20 - Step 4: Simplify right side
881,579.40x = 461,862,963,937.90 - Step 5: Solve for x
x = 461,862,963,937.90/881,579.40 - Step 6: Final answer
x = 523,903.99
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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.