Finding the Fourth Proportional to 898,981.91, 1,240,632.74 and 517,008.99
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Solution
The fourth proportional to 898,981.91, 1,240,632.74 and 517,008.99 is: 713,494.09
Step by Step Solution
- Step 1: Write the proportion equation
898,981.91 : 1,240,632.74 = 517,008.99 : x - Step 2: Convert to fraction form
898,981.91/1,240,632.74 = 517,008.99/x - Step 3: Cross multiply
898,981.91x = 1,240,632.74 × 517,008.99 - Step 4: Simplify right side
898,981.91x = 641,418,279,868.33 - Step 5: Solve for x
x = 641,418,279,868.33/898,981.91 - Step 6: Final answer
x = 713,494.09
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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.