Finding the Fourth Proportional to 981,821.02, 1,354,904.52 and 552,091.99
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Solution
The fourth proportional to 981,821.02, 1,354,904.52 and 552,091.99 is: 761,882.17
Step by Step Solution
- Step 1: Write the proportion equation
981,821.02 : 1,354,904.52 = 552,091.99 : x - Step 2: Convert to fraction form
981,821.02/1,354,904.52 = 552,091.99/x - Step 3: Cross multiply
981,821.02x = 1,354,904.52 × 552,091.99 - Step 4: Simplify right side
981,821.02x = 748,031,925,932.27 - Step 5: Solve for x
x = 748,031,925,932.27/981,821.02 - Step 6: Final answer
x = 761,882.17
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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.