Finding the Fourth Proportional to 898,934.99, 1,240,534.51 and 491,042.48
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Solution
The fourth proportional to 898,934.99, 1,240,534.51 and 491,042.48 is: 677,640.93
Step by Step Solution
- Step 1: Write the proportion equation
898,934.99 : 1,240,534.51 = 491,042.48 : x - Step 2: Convert to fraction form
898,934.99/1,240,534.51 = 491,042.48/x - Step 3: Cross multiply
898,934.99x = 1,240,534.51 × 491,042.48 - Step 4: Simplify right side
898,934.99x = 609,155,134,885.71 - Step 5: Solve for x
x = 609,155,134,885.71/898,934.99 - Step 6: Final answer
x = 677,640.93
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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.