Finding the Fourth Proportional to 889,703.40, 1,334,555.10 and 328,621.80
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Solution
The fourth proportional to 889,703.40, 1,334,555.10 and 328,621.80 is: 492,932.70
Step by Step Solution
- Step 1: Write the proportion equation
889,703.40 : 1,334,555.10 = 328,621.80 : x - Step 2: Convert to fraction form
889,703.40/1,334,555.10 = 328,621.80/x - Step 3: Cross multiply
889,703.40x = 1,334,555.10 × 328,621.80 - Step 4: Simplify right side
889,703.40x = 438,563,899,161.18 - Step 5: Solve for x
x = 438,563,899,161.18/889,703.40 - Step 6: Final answer
x = 492,932.70
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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.