Finding the Fourth Proportional to 889,014.91, 1,226,844.49 and 481,116.81
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Solution
The fourth proportional to 889,014.91, 1,226,844.49 and 481,116.81 is: 663,943.32
Step by Step Solution
- Step 1: Write the proportion equation
889,014.91 : 1,226,844.49 = 481,116.81 : x - Step 2: Convert to fraction form
889,014.91/1,226,844.49 = 481,116.81/x - Step 3: Cross multiply
889,014.91x = 1,226,844.49 × 481,116.81 - Step 4: Simplify right side
889,014.91x = 590,255,507,394.88 - Step 5: Solve for x
x = 590,255,507,394.88/889,014.91 - Step 6: Final answer
x = 663,943.32
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1.5x scale
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.