Finding the Fourth Proportional to 889,036.09, 1,226,871.29 and 481,138.29
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Solution
The fourth proportional to 889,036.09, 1,226,871.29 and 481,138.29 is: 663,971.65
Step by Step Solution
- Step 1: Write the proportion equation
889,036.09 : 1,226,871.29 = 481,138.29 : x - Step 2: Convert to fraction form
889,036.09/1,226,871.29 = 481,138.29/x - Step 3: Cross multiply
889,036.09x = 1,226,871.29 × 481,138.29 - Step 4: Simplify right side
889,036.09x = 590,294,756,433.91 - Step 5: Solve for x
x = 590,294,756,433.91/889,036.09 - Step 6: Final answer
x = 663,971.65
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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.