Finding the Fourth Proportional to 889,426.98, 1,227,409.61 and 481,528.80
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Solution
The fourth proportional to 889,426.98, 1,227,409.61 and 481,528.80 is: 664,509.95
Step by Step Solution
- Step 1: Write the proportion equation
889,426.98 : 1,227,409.61 = 481,528.80 : x - Step 2: Convert to fraction form
889,426.98/1,227,409.61 = 481,528.80/x - Step 3: Cross multiply
889,426.98x = 1,227,409.61 × 481,528.80 - Step 4: Simplify right side
889,426.98x = 591,033,074,204.12 - Step 5: Solve for x
x = 591,033,074,204.12/889,426.98 - Step 6: Final answer
x = 664,509.95
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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.